{"title":"Class D \u0026 Digital","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan class=\"token maybe-class-name\"\u003eClass\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"token\"\u003eD\u003c\/span\u003e\u003cspan\u003e and digital amplifier boards \u003c\/span\u003e\u003cspan class=\"token control-flow\"\u003efor\u003c\/span\u003e\u003cspan\u003e efficient\u003c\/span\u003e\u003cspan class=\"token\"\u003e,\u003c\/span\u003e\u003cspan\u003e high\u003c\/span\u003e\u003cspan class=\"token\"\u003e-\u003c\/span\u003e\u003cspan\u003epower audio builds\u003c\/span\u003e\u003cspan class=\"token\"\u003e.\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"token property-access maybe-class-name\"\u003eShop\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"token\"\u003eTPA3255\u003c\/span\u003e\u003cspan class=\"token\"\u003e,\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"token\"\u003eTPA3116\u003c\/span\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cspan class=\"token\"\u003eTDA7492\u003c\/span\u003e\u003cspan\u003e modules \u003c\/span\u003e\u003cspan class=\"token control-flow\"\u003efor\u003c\/span\u003e\u003cspan\u003e stereo\u003c\/span\u003e\u003cspan class=\"token\"\u003e,\u003c\/span\u003e\u003cspan\u003e mono\u003c\/span\u003e\u003cspan class=\"token\"\u003e,\u003c\/span\u003e\u003cspan\u003e subwoofer and multi\u003c\/span\u003e\u003cspan class=\"token\"\u003e-\u003c\/span\u003e\u003cspan\u003echannel systems\u003c\/span\u003e\u003cspan class=\"token\"\u003e.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"new-tda7492-12v-power-amplifier-board-25w-25w","title":"New TDA7492 12V Power Amplifier Board 25W+25W","description":"\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003eTDA7492 12V Power Amplifier Board 25W+25W\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003eSpecification:\u003cspan style=\"white-space:pre\"\u003e\t\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e1. Using the original TDA7492\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e2. The electrolytic capacitor adopts imported BC2200UF\/25V electrolysis, ensuring strong and continuous power support.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e3. The 1206 0805 high-precision SMT resistor is selected to ensure a good signal-to-noise ratio of the entire machine.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e4. The PCB is made of 1.6mm thick double-sided sheet metal, with a thickness of 2.0 amperes of copper and a full process of tin spraying to ensure good current passing performance. First rate PCB quality.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e5. It adopts a fully enclosed dust-proof potentiometer, which has more stable performance and is more durable than ordinary potentiometers.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e6. Small size, high power, and no noise.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e7. Equipped with standby function.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003eProduct Details:\u003cspan style=\"white-space:pre\"\u003e\t\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e1. Working mode: Class D\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e2. Static current: 20mA\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e3. Work efficiency: 90%\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e4. Rated output power: 2 * 25W\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e5. Frequency response: 20Hz to 20KHz\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e6. Working voltage: DC12V to DC19V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e7. Recommended power supply voltage: DC12-19V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e8. Maximum output current: 1.5A\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e9. PCB size: 72 * 50MM\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003ePackage:\u003cspan style=\"white-space:pre\"\u003e\t\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003eTDA7492 12V Power Amplifier Board 25W+25W\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-wrap-mode: nowrap;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\u003c!--[Datacaciques code start,code,don't modify it]--\u003e\u003cdiv\u003e\u003cstyle type=\"text\/css\"\u003e.dc_tracker_img{display:none;}.dc_tracker_img:last-of-type{display:block;}p:empty+hr{display:none;}hr+span.ebay,hr+*\u003espan.ebay{display:none;}\u003c\/style\u003e\u003c\/div\u003e\u003cdiv class=\"dc_tracker_img\" style=\"text-align: center; margin-top: 25px;\"\u003e\u003cimg style=\"max-width: 100%;\" src=\"https:\/\/gate.datacaciques.com\/track\/img?_lid=225663518873\" alt=\"DataCaciques\"\u003e\u003c\/div\u003e\u003c!--[Datacaciques code end]--\u003e\u003cp\u003e\u003c\/p\u003e\u003chr\u003e\u003cspan class=\"ebay\"\u003eOn Jun 21, 2024 at 06:31:27 PDT, seller added the following information:\u003c\/span\u003e\u003cp\u003e\u003c!--[Datacaciques code start,code,don't modify it]--\u003e\u003cstyle type=\"text\/css\"\u003e.dc_tracker_img{display:none;}.dc_tracker_img:last-of-type{display:block;}p:empty+hr{display:none;}hr+span.ebay,hr+*\u003espan.ebay{display:none;}\u003c\/style\u003e\u003c\/p\u003e\u003c!--[Datacaciques code end]--\u003e\u003cstyle type=\"text\/css\"\u003e.dc_tracker_img{display:none;}.dc_tracker_img:last-of-type{display:block;}p:empty+hr{display:none;}hr+span.ebay,hr+*\u003espan.ebay{display:none;}\u003c\/style\u003e","brand":"Lilly Electronics","offers":[{"title":"Default Title","offer_id":40780038209665,"sku":"YJ-TDA7492-25W*2","price":30.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/8647\/4369\/files\/c45409d17dc774fb514c4b125f1f32df.jpg?v=1780990002"},{"product_id":"tpa3255-600w-mono-hifi-digital-subwoofer-amplifier-board-class-d-with-frequency-volume-control-dc-24v-48v","title":"TPA3255 600W Mono HiFi Digital Subwoofer Amplifier Board Class D with Frequency Volume Control DC 24V-48V","description":"\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cspan style=\"font-size: 23px;\"\u003e\u003cb\u003eProduct Overview\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\u003c\/div\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; line-height: 2em;'\u003eThis TPA3255 mono subwoofer digital amplifier board delivers clean, powerful bass for DIY HiFi audio, home theater and passive subwoofer builds. Built with original TI TPA3255 power chip and OPA1632DR op-amp, it supports independent frequency and volume adjustment to customize low-frequency performance as you like.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003eCore Highlights\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\u003c\/div\u003e\u003cp style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; line-height: 2em;'\u003e✅ Original TPA3255 + OPA1632DR Dual Premium Chips\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; line-height: 2em;'\u003eEquipped with genuine TI TPA3255 Class D amplifier IC and OPA1632DR operational amplifier, restoring rich, detailed audio with ultra-low distortion.\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e✅ Stable High-Capacity Filter Circuit\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e4pcs 470µF\/100V large electrolytic filter capacitors provide steady continuous power supply, avoiding bass attenuation under high load.\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e✅ Adjustable Frequency \u0026amp; Volume Knobs\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003eIndependent control knobs for volume and cutoff frequency, freely tune bass depth to match different subwoofer speakers and music styles.\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e✅ High Efficiency Class D Design\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003eUp to 88% energy efficiency, less heat generation than analog amplifiers, stable long-hour operation.\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e✅ Wide DC Voltage Compatibility\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003eWorks with DC 24V–48V power supply, flexible matching different power adapters for DIY audio projects.\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003eFull Specifications\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\u003c\/div\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cul style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003eModel: TPA3255 Mono Subwoofer Amplifier Board\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003eAmplifier Type: Class D Digital Amp\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003eRated Output Power: 600W @ 4Ω (10% THD)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003eQuiescent Current: 65mA\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003eEfficiency: 88%\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003eFrequency Response: 20Hz – 20kHz\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003eDynamic Range: ＞100dB\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003eSNR (A-Weighted): 100dB\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003eOperating Voltage: DC 24V – 48V\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003eBoard Dimension: 140*95mm\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 2em ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003eApplication Scenarios\u003c\/h2\u003e\u003c\/div\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; line-height: 2em;'\u003eIdeal for DIY home theater subwoofers, HiFi bass speaker systems, multimedia audio setups, studio low-frequency audio modification and custom passive subwoofer projects.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003eNotes\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\u003c\/div\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003col style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003eThis amplifier board does not come with power supply, please prepare DC 24V-48V power adapter separately.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003eRecommended to match 4Ω subwoofer speaker for optimal 600W output performance.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003eInstall extra cooling heatsink if running at full power for extended periods to maintain stable working temperature.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"lillyelectronics","offers":[{"title":"Default Title","offer_id":40831724716161,"sku":"YJ-TPA3255-600W","price":98.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/8647\/4369\/files\/01b91b2592a4cf159e238e4779fe1ba2_ab14cf79-c129-4d3f-900e-397ab0b52b9d.jpg?v=1784537117"},{"product_id":"tpa3255-600w-high-power-mono-class-d-hifi-amplifier-board-dc24-48v-digital-audio-amp-board-with-snr-100db-delay-protection","title":"TPA3255 600W High Power Mono Class D HiFi Amplifier Board DC24-48V Digital Audio Amp Board with SNR 100dB Delay Protection","description":"\u003cdiv data-page-id=\"Yr3odxII8oC5sNxKWzkcjwWenwh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Yr3odxII8oC5sNxKWzkcjwWenwh\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 36px;\"\u003eTPA3255 600W Mono Class D HiFi Amplifier Board Product Description\u003c\/span\u003e\u003c\/b\u003e\u003c\/div\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-J3nOfAEB1dqfG3cGlIncSK5QnDc\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"line-height: 2em;\"\u003eUpgrade your DIY audio setup with this professional \u003cstrong\u003eTPA3255 Mono Class D Digital Amplifier Board\u003c\/strong\u003e. Adopting high-performance TPA3255 amplifier chip, this mono audio amp delivers ultra-low distortion, high signal-to-noise ratio and stable high-power output. Equipped with multiple built-in protection mechanisms including power-on delay, overheat and overcurrent protection, it ensures safe, long-term and stable operation. Perfect for home HiFi systems, passive subwoofer modification, DIY speaker projects and custom low-frequency audio playback setups.\u003c\/p\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-KjikfxjzWdCqDFcb923cmP6rntb\"\u003eCore Features\u003c\/h2\u003e\n\u003cul start=\"1\" class=\"list-bullet1\"\u003e\n\u003cli class=\"ace-line ace-line old-record-id-WUDwfnK5Vdpbr8cJ3lwcq4pjn2e\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eHigh-Fidelity \u0026amp; Low Distortion Performance\u003c\/strong\u003e: Features a premium TPA3255 dedicated audio chip, with ultra-low 0.01% total harmonic distortion and 100dB high SNR, restoring clear, delicate and pure sound quality without noise or sound distortion.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-QiaZfVieCd5HeCcATr6cPQPxnLb\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eMulti-Impedance High Power Output\u003c\/strong\u003e: Supports multi-ohm speaker matching, providing 600W peak power for 2Ω speakers, 300W for 4Ω speakers and 150W for 8Ω speakers, perfectly compatible with 10W–400W passive speakers for strong and explosive bass performance.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-UlW1ff6VydPq9UcFgPuc5gndnDb\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eFull Protection System\u003c\/strong\u003e: Built-in power-on delay protection, overheat protection and overcurrent protection functions, effectively prevent circuit burnout, component damage and speaker failure caused by abnormal voltage, short circuit or overheating, greatly improving equipment safety and service life.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-SyFSfIH4sdwOHOcfYvIcHemwnMc\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eWide Frequency Response \u0026amp; Stable Operation\u003c\/strong\u003e: Standard 20Hz–20kHz full-band frequency response, covering full-range audio and low-frequency bass demands. Adopts mature Class D digital amplification technology with high working efficiency and low heat generation.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-NOqJfi91Gd6tJxcvNrfcyfPynFI\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eStandard \u0026amp; Practical Interface Design\u003c\/strong\u003e: Comes with 2.54mm pitch 2P single-ended audio input interface, independent mute interface and 12V fan power interface, convenient for wiring, installation and function expansion, suitable for various DIY audio transformation scenarios.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-LkzBfQuuadye8xc5v1Uc9GvTnGd\"\u003eFull Specifications\u003c\/h2\u003e\n\u003cul start=\"1\" class=\"list-bullet1\"\u003e\n\u003cli class=\"ace-line ace-line old-record-id-Ypn3faXWudaZUac7Z4UcBXginOd\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e: TPA3255 Mono Channel Amplifier Board\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-Jxc8fkZFIdNe3lc0nWtc8xQRnnh\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eAmplifier Type\u003c\/strong\u003e: Class D Digital Amplifier\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-SuxofKimidRsmoc0TvDcy5cRn9c\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eCore Chip\u003c\/strong\u003e: TPA3255\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-L3MzfkfNUdF60rcS9Jlc9rfqnKN\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eOutput Channel\u003c\/strong\u003e: Mono Channel\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-QVWqfAsGRdgeomc2ki5cgofZnuo\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e: 20Hz – 20kHz\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-UtLnfBvHWdhNjzcfxLocggzJn2d\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eSignal-to-Noise Ratio (SNR)\u003c\/strong\u003e: 100dB\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-SBBffJbtqdnVPccZNJLc9Ff6n0g\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eTotal Harmonic Distortion (THD)\u003c\/strong\u003e: 0.01%\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-Npd7fZAH3dTCZLcygwacIxF0nrf\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eWorking Voltage\u003c\/strong\u003e: DC 24V – 48V\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-E8QifyPVWdjUTHcD9O0cPXDGnsq\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e: 600W (2Ω), 300W (4Ω), 150W (8Ω)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-IeIjfe5GGdQnH4cKJngcNIilnkd\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eCompatible Speakers\u003c\/strong\u003e: 10W~400W, 2Ω\/4Ω\/8Ω Passive Speakers\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-Lv52fRWCidRyducVMTMc0sqDnif\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eProtection Mechanisms\u003c\/strong\u003e: Power-On Delay Protection, Overheat Protection, Overcurrent Protection\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-ZsIef8Ex2dyLXqcElTxc6ZCsnie\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eFan Interface Specification\u003c\/strong\u003e: 12V DC, 100mA\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-D6yxfjJ56d9vOicJixXcEwhYnie\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eProduct Size\u003c\/strong\u003e: 110 × 102 × 25mm\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-CI0bfbyFRdg8xycDKZ1c6zaWn4f\"\u003eImportant Usage Instructions\u003c\/h2\u003e\n\u003cul start=\"1\" class=\"list-bullet1\"\u003e\n\u003cli class=\"ace-line ace-line old-record-id-Fq7Ffz8Fndhsw1cdpl6cs6atnNf\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eSpeaker Compatibility\u003c\/strong\u003e: This amplifier board is \u003cstrong\u003eonly for passive speakers\u003c\/strong\u003e. Do NOT connect to active speakers, active subwoofers or constant-voltage speakers to avoid equipment damage.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-ISdJfsiFqdsAwUcsjbhcxYnDnrd\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003ePower Supply Requirements\u003c\/strong\u003e: Adopt DC 24V–48V power supply (10A or higher current is recommended). Strictly prohibit reverse connection of positive and negative poles and voltage exceeding 48V, otherwise the board components will be burned out.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-OqydfSvCPd82dVcwicvcF641nNb\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eWiring Standard\u003c\/strong\u003e: Adopts single-ended audio input. Please correctly connect the positive and negative poles of the input interface, incorrect connection will cause obvious noise.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-JzGcf1E9Id6g9Jc6gD8caYxFnge\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eMute Mode\u003c\/strong\u003e: Short-circuit the mute interface to activate the amplifier mute function.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-DuSbfLxFFdsvGqcQLYwcFJxYnPb\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eInstallation Environment\u003c\/strong\u003e: Do not use or store the board in humid and watery environments. Do not power on the board when it is directly placed on metal surfaces to prevent short circuit and failure.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-HU6pfQwFMdj50Pcltu4cKhQ4nyd\"\u003eApplication Scenarios\u003c\/h2\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Vv9kfrNEldRYMSc6kNIcfbZInsc\"\u003eIdeal for DIY home theater audio systems, passive subwoofer upgrades, desktop HiFi audio equipment, studio low-frequency audio modification, and custom high-power speaker amplification projects.\u003c\/div\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cspan data-lark-record-data='{\"isCut\":false,\"rootId\":\"Yr3odxII8oC5sNxKWzkcjwWenwh\",\"parentId\":null,\"blockIds\":[1],\"recordIds\":[\"Yr3odxII8oC5sNxKWzkcjwWenwh\"],\"recordMap\":{\"Yr3odxII8oC5sNxKWzkcjwWenwh\":{\"id\":\"Yr3odxII8oC5sNxKWzkcjwWenwh\",\"snapshot\":{\"type\":\"page\",\"parent_id\":\"\",\"comments\":[],\"revisions\":[],\"locked\":false,\"hidden\":false,\"author\":\"7593841774628441312\",\"children\":[\"J3nOfAEB1dqfG3cGlIncSK5QnDc\",\"F66Rf1wRidA3VEcYVc6c6sgQnjd\",\"KjikfxjzWdCqDFcb923cmP6rntb\",\"WUDwfnK5Vdpbr8cJ3lwcq4pjn2e\",\"QiaZfVieCd5HeCcATr6cPQPxnLb\",\"UlW1ff6VydPq9UcFgPuc5gndnDb\",\"SyFSfIH4sdwOHOcfYvIcHemwnMc\",\"NOqJfi91Gd6tJxcvNrfcyfPynFI\",\"LkzBfQuuadye8xc5v1Uc9GvTnGd\",\"Ypn3faXWudaZUac7Z4UcBXginOd\",\"Jxc8fkZFIdNe3lc0nWtc8xQRnnh\",\"SuxofKimidRsmoc0TvDcy5cRn9c\",\"L3MzfkfNUdF60rcS9Jlc9rfqnKN\",\"QVWqfAsGRdgeomc2ki5cgofZnuo\",\"UtLnfBvHWdhNjzcfxLocggzJn2d\",\"SBBffJbtqdnVPccZNJLc9Ff6n0g\",\"Npd7fZAH3dTCZLcygwacIxF0nrf\",\"E8QifyPVWdjUTHcD9O0cPXDGnsq\",\"IeIjfe5GGdQnH4cKJngcNIilnkd\",\"Lv52fRWCidRyducVMTMc0sqDnif\",\"ZsIef8Ex2dyLXqcElTxc6ZCsnie\",\"D6yxfjJ56d9vOicJixXcEwhYnie\",\"CI0bfbyFRdg8xycDKZ1c6zaWn4f\",\"Fq7Ffz8Fndhsw1cdpl6cs6atnNf\",\"ISdJfsiFqdsAwUcsjbhcxYnDnrd\",\"OqydfSvCPd82dVcwicvcF641nNb\",\"JzGcf1E9Id6g9Jc6gD8caYxFnge\",\"DuSbfLxFFdsvGqcQLYwcFJxYnPb\",\"HU6pfQwFMdj50Pcltu4cKhQ4nyd\",\"Vv9kfrNEldRYMSc6kNIcfbZInsc\"],\"text\":{\"initialAttributedTexts\":{\"text\":{\"0\":\"TPA3255 600W Mono Class D HiFi Amplifier Board Product Description\"},\"attribs\":{\"0\":\"*1*0+1u\"}},\"apool\":{\"numToAttrib\":{\"0\":[\"author\",\"7593841774628441312\"],\"1\":[\"ai-extra\",\"{\\\"is_ai_gen\\\":true}\"]},\"nextNum\":2}},\"align\":\"\",\"status\":{\"streaming\":{\"enabled\":false,\"expired_at\":\"1784537811\",\"is_create_command\":true,\"operator_id\":\"7593841774628441312\",\"source\":1}}}},\"J3nOfAEB1dqfG3cGlIncSK5QnDc\":{\"id\":\"J3nOfAEB1dqfG3cGlIncSK5QnDc\",\"snapshot\":{\"align\":\"left\",\"type\":\"heading2\",\"parent_id\":\"Yr3odxII8oC5sNxKWzkcjwWenwh\",\"locked\":false,\"hidden\":false,\"children\":[],\"comments\":[],\"revisions\":[],\"author\":\"7593841774628441312\",\"text\":{\"apool\":{\"nextNum\":2,\"numToAttrib\":{\"0\":[\"author\",\"7593841774628441312\"],\"1\":[\"ai-extra\",\"{\\\"is_ai_gen\\\":true}\"]}},\"initialAttributedTexts\":{\"attribs\":{\"0\":\"*0*1+g\"},\"text\":{\"0\":\"Product Overview\"}}}}},\"F66Rf1wRidA3VEcYVc6c6sgQnjd\":{\"id\":\"F66Rf1wRidA3VEcYVc6c6sgQnjd\",\"snapshot\":{\"revisions\":[],\"locked\":false,\"children\":[],\"text\":{\"apool\":{\"numToAttrib\":{\"0\":[\"author\",\"7593841774628441312\"],\"1\":[\"ai-extra\",\"{\\\"is_ai_gen\\\":true}\"],\"2\":[\"bold\",\"true\"]},\"nextNum\":3},\"initialAttributedTexts\":{\"attribs\":{\"0\":\"*0*1+1g*0*1*2+18*0*1+cp\"},\"text\":{\"0\":\"Upgrade your DIY audio setup with this professional TPA3255 Mono Class D Digital Amplifier Board. Adopting high-performance TPA3255 amplifier chip, this mono audio amp delivers ultra-low distortion, high signal-to-noise ratio and stable high-power output. Equipped with multiple built-in protection mechanisms including power-on delay, overheat and overcurrent protection, it ensures safe, long-term and stable operation. Perfect for home HiFi systems, passive subwoofer modification, DIY speaker projects and custom low-frequency audio playback setups.\"}}},\"author\":\"7593841774628441312\",\"align\":\"left\",\"type\":\"text\",\"parent_id\":\"Yr3odxII8oC5sNxKWzkcjwWenwh\",\"comments\":[],\"hidden\":false}},\"KjikfxjzWdCqDFcb923cmP6rntb\":{\"id\":\"KjikfxjzWdCqDFcb923cmP6rntb\",\"snapshot\":{\"type\":\"heading2\",\"parent_id\":\"Yr3odxII8oC5sNxKWzkcjwWenwh\",\"author\":\"7593841774628441312\",\"children\":[],\"text\":{\"apool\":{\"nextNum\":2,\"numToAttrib\":{\"0\":[\"author\",\"7593841774628441312\"],\"1\":[\"ai-extra\",\"{\\\"is_ai_gen\\\":true}\"]}},\"initialAttributedTexts\":{\"attribs\":{\"0\":\"*0*1+d\"},\"text\":{\"0\":\"Core Features\"}}},\"comments\":[],\"revisions\":[],\"locked\":false,\"hidden\":false,\"align\":\"left\"}},\"WUDwfnK5Vdpbr8cJ3lwcq4pjn2e\":{\"id\":\"WUDwfnK5Vdpbr8cJ3lwcq4pjn2e\",\"snapshot\":{\"type\":\"bullet\",\"parent_id\":\"Yr3odxII8oC5sNxKWzkcjwWenwh\",\"comments\":[],\"locked\":false,\"hidden\":false,\"author\":\"7593841774628441312\",\"revisions\":[],\"children\":[],\"text\":{\"initialAttributedTexts\":{\"attribs\":{\"0\":\"*0*1*2+16*0*1+5l\"},\"text\":{\"0\":\"High-Fidelity \u0026amp; Low Distortion Performance: Features a premium TPA3255 dedicated audio chip, with ultra-low 0.01% total harmonic distortion and 100dB high SNR, restoring clear, delicate and pure sound quality without noise or sound distortion.\"}},\"apool\":{\"nextNum\":3,\"numToAttrib\":{\"0\":[\"author\",\"7593841774628441312\"],\"1\":[\"ai-extra\",\"{\\\"is_ai_gen\\\":true}\"],\"2\":[\"bold\",\"true\"]}}},\"align\":\"left\"}},\"QiaZfVieCd5HeCcATr6cPQPxnLb\":{\"id\":\"QiaZfVieCd5HeCcATr6cPQPxnLb\",\"snapshot\":{\"align\":\"left\",\"author\":\"7593841774628441312\",\"children\":[],\"comments\":[],\"hidden\":false,\"locked\":false,\"parent_id\":\"Yr3odxII8oC5sNxKWzkcjwWenwh\",\"revisions\":[],\"text\":{\"apool\":{\"numToAttrib\":{\"0\":[\"ai-extra\",\"{\\\"is_ai_gen\\\":true}\"],\"1\":[\"author\",\"7593841774628441312\"],\"2\":[\"bold\",\"true\"]},\"nextNum\":3,\"attribToNum\":{\"ai-extra,{\\\"is_ai_gen\\\":true}\":0,\"author,7593841774628441312\":1,\"bold,true\":2}},\"initialAttributedTexts\":{\"text\":{\"0\":\"Multi-Impedance High Power Output: Supports multi-ohm speaker matching, providing 600W peak power for 2Ω speakers, 300W for 4Ω speakers and 150W for 8Ω speakers, perfectly compatible with 10W–400W passive speakers for strong and explosive bass performance.\"},\"attribs\":{\"0\":\"*0*1*2+x*0*1+67\"},\"rows\":{},\"cols\":{}}},\"type\":\"bullet\"}},\"UlW1ff6VydPq9UcFgPuc5gndnDb\":{\"id\":\"UlW1ff6VydPq9UcFgPuc5gndnDb\",\"snapshot\":{\"align\":\"left\",\"author\":\"7593841774628441312\",\"children\":[],\"comments\":[],\"hidden\":false,\"locked\":false,\"parent_id\":\"Yr3odxII8oC5sNxKWzkcjwWenwh\",\"revisions\":[],\"text\":{\"apool\":{\"numToAttrib\":{\"0\":[\"ai-extra\",\"{\\\"is_ai_gen\\\":true}\"],\"1\":[\"author\",\"7593841774628441312\"],\"2\":[\"bold\",\"true\"]},\"nextNum\":3,\"attribToNum\":{\"ai-extra,{\\\"is_ai_gen\\\":true}\":0,\"author,7593841774628441312\":1,\"bold,true\":2}},\"initialAttributedTexts\":{\"text\":{\"0\":\"Full Protection System: Built-in power-on delay protection, overheat protection and overcurrent protection functions, effectively prevent circuit burnout, component damage and speaker failure caused by abnormal voltage, short circuit or overheating, greatly improving equipment safety and service life.\"},\"attribs\":{\"0\":\"*0*1*2+m*0*1+7s\"},\"rows\":{},\"cols\":{}}},\"type\":\"bullet\"}},\"SyFSfIH4sdwOHOcfYvIcHemwnMc\":{\"id\":\"SyFSfIH4sdwOHOcfYvIcHemwnMc\",\"snapshot\":{\"align\":\"left\",\"author\":\"7593841774628441312\",\"children\":[],\"comments\":[],\"hidden\":false,\"locked\":false,\"parent_id\":\"Yr3odxII8oC5sNxKWzkcjwWenwh\",\"revisions\":[],\"text\":{\"apool\":{\"numToAttrib\":{\"0\":[\"ai-extra\",\"{\\\"is_ai_gen\\\":true}\"],\"1\":[\"author\",\"7593841774628441312\"],\"2\":[\"bold\",\"true\"]},\"nextNum\":3,\"attribToNum\":{\"ai-extra,{\\\"is_ai_gen\\\":true}\":0,\"author,7593841774628441312\":1,\"bold,true\":2}},\"initialAttributedTexts\":{\"text\":{\"0\":\"Wide Frequency Response \u0026amp; Stable Operation: Standard 20Hz–20kHz full-band frequency response, covering full-range audio and low-frequency bass demands. Adopts mature Class D digital amplification technology with high working efficiency and low heat generation.\"},\"attribs\":{\"0\":\"*0*1*2+16*0*1+62\"},\"rows\":{},\"cols\":{}}},\"type\":\"bullet\"}},\"NOqJfi91Gd6tJxcvNrfcyfPynFI\":{\"id\":\"NOqJfi91Gd6tJxcvNrfcyfPynFI\",\"snapshot\":{\"align\":\"left\",\"author\":\"7593841774628441312\",\"children\":[],\"comments\":[],\"hidden\":false,\"locked\":false,\"parent_id\":\"Yr3odxII8oC5sNxKWzkcjwWenwh\",\"revisions\":[],\"text\":{\"apool\":{\"numToAttrib\":{\"0\":[\"ai-extra\",\"{\\\"is_ai_gen\\\":true}\"],\"1\":[\"author\",\"7593841774628441312\"],\"2\":[\"bold\",\"true\"]},\"nextNum\":3,\"attribToNum\":{\"ai-extra,{\\\"is_ai_gen\\\":true}\":0,\"author,7593841774628441312\":1,\"bold,true\":2}},\"initialAttributedTexts\":{\"text\":{\"0\":\"Standard \u0026amp; Practical Interface Design: Comes with 2.54mm pitch 2P single-ended audio input interface, independent mute interface and 12V fan power interface, convenient for wiring, installation 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Amplifier Board, 600W×2 HiFi Class D Power Amp, DC 24V-48V Passive Speaker Amplifier for 2Ω\/4Ω\/8Ω Speakers\u003c\/span\u003e\u003c\/b\u003e\u003c\/div\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-UFqHfH8bWdldOOcbED8c2G9wnHb\"\u003e\u003cstrong\u003e\u003cbr\u003ePowerful HiFi Stereo Sound \u0026amp; High Output Power\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp style=\"line-height: 2em;\"\u003eAdopting dual TPA3255 professional Class D amplifier chips, this 2-channel digital amplifier board delivers ultra-high power output with stable and clear HiFi sound performance. 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With ultra-low distortion and high signal-to-noise ratio, it restores authentic, delicate and shocking stereo sound quality, ideal for audio enthusiasts DIY upgrades and home theater sound system transformation.\u003c\/p\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-Z9TGfwgxZdaWd9cFU0zc0Hh3n3e\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul start=\"1\" class=\"list-bullet1\"\u003e\n\u003cli class=\"ace-line ace-line old-record-id-Z9d2fJWtkdzU3xcPmhSccpSEn1d\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eMulti-impedance Compatibility\u003c\/strong\u003e: Supports 2Ω, 4Ω, 8Ω passive speakers, with peak output power up to 600W×2 (@2Ω), 300W×2 (@4Ω), 150W×2 (@8Ω), compatible with 10W-400W speakers\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-W8YcfZieudDD6AciitJcVbyVnDk\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003ePremium HiFi Sound Performance\u003c\/strong\u003e: 20Hz-20KHz full frequency response, 100dB high SNR and only 0.01% ultra-low THD, effectively eliminating noise and sound distortion for pure and layered sound\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-XAAwfT8ksdQXRyc9hLGcg45InKd\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eMultiple Safety Protection\u003c\/strong\u003e: Built-in overheat protection, overcurrent protection and power-on delay protection functions, effectively avoid circuit damage and extend the service life of the amplifier board\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-THQ1fqq7ydSOr9cvbQWcyIE8nKd\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eStable \u0026amp; Reliable Operation\u003c\/strong\u003e: DC 24V-48V wide voltage power supply design, with stable power output; reserved fan interface for timely heat dissipation to ensure long-term continuous stable operation\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-Jwvgf9frNdKJrBcwmnYcodAUnxc\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eProfessional \u0026amp; Easy Installation\u003c\/strong\u003e: Standard 2.54mm pitch 3P audio input interface, single-ended input design, simple wiring and convenient for DIY installation and equipment matching\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-ADJ6fAgeude1yQcSEXJcwN8Hnxe\"\u003e\u003cstrong\u003eStandard Operating Instructions (Must Read)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul start=\"1\" class=\"list-bullet1\"\u003e\n\u003cli class=\"ace-line ace-line old-record-id-BRobfz34rdWU1scq6Fcchv4qnic\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eSpeaker Compatibility\u003c\/strong\u003e: This amplifier board is \u003cstrong\u003eonly suitable for passive speakers\u003c\/strong\u003e. 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font-size: 10pt; padding: 8px; vertical-align: top;\"\u003e\u003cdiv class=\"ace-line ace-line old-record-id-QvRUfslYOdmsLpcj2GqcqNwln1g\"\u003e600W×2 @ 2Ω; 300W×2 @ 4Ω; 150W×2 @ 8Ω\u003c\/div\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height:39px;\"\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" style=\"border-color: rgb(222, 224, 227); font-size: 10pt; padding: 8px; vertical-align: top;\"\u003e\u003cdiv class=\"ace-line ace-line old-record-id-EjFnf8ct7dkLwYcwaencoHJxnkd\"\u003eCompatible Speakers\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" style=\"border-color: rgb(222, 224, 227); font-size: 10pt; padding: 8px; vertical-align: top;\"\u003e\u003cdiv class=\"ace-line ace-line old-record-id-TA3OfectldHLxTcxsTrccEgUnWh\"\u003e10W~400W, 2Ω \/ 4Ω \/ 8Ω Passive Speakers\u003c\/div\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height:39px;\"\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\" style=\"border-color: rgb(222, 224, 227); font-size: 10pt; 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Our TPA3255 4-Channel HiFi Digital Power Amplifier Board is your ideal choice, combining dual-chip high-power output, professional sound quality tuning and full safety protection, perfectly meeting the needs of home theater, desktop audio and professional audio modification.\u003c\/p\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-CEvAfzLezdkm0JclI9RcW6ywnee\"\u003e\u003cstrong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003eDual TPA3255 Chips, Surprising High-Power Sound Performance\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp style=\"line-height: 2em;\"\u003eAdopting dual original TPA3255 amplifier chips, this 4-channel amp board supports multi-impedance adaptive output, reaching 300W×4 (4Ω) and 150W×4 (8Ω) high power. With ultra-low 0.01% total harmonic distortion and 100dB ultra-high signal-to-noise ratio, it restores pure and shocking stereo sound, covers complete 20Hz-20kHz human hearing frequency range, eliminates background noise and sound distortion, and presents professional HiFi audio experience.\u003c\/p\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-MiEPfnruqdW5HDcYaW9cxYQZnTh\"\u003e\u003cstrong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003eSafe \u0026amp; Stable Working Performance with Full Protection\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp style=\"line-height: 2em;\"\u003eEquipped with a complete intelligent protection circuit system, including overheat protection, over-current protection and power-on delay protection, which can automatically identify and avoid circuit abnormalities, effectively prevent equipment burnout and extend the service life of the amplifier and speakers. The wide DC 24V-48V voltage input design with 10A+ high-current power supply adaptation ensures stable and continuous high-power output without failure even after long hours of work.\u003c\/p\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-XIGifA8hudmmjMciOOCcb8tvnmf\"\u003e\u003cstrong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003eEasy Wiring \u0026amp; Wide Application Scenarios\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp style=\"line-height: 2em;\"\u003eDesigned with standard 2.54mm pitch 6-pin single-ended audio input interface, the wiring is accurate and convenient, effectively avoiding noise caused by wrong polarity connection. The reserved 12V cooling fan interface solves heat dissipation problems thoroughly. 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flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003eOutstanding Sound \u0026amp; Power Performance\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cul style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eMax output power: 300W per channel at 4Ω impedance, 150W per channel at 8Ω\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eUltra-low distortion rate only 0.01% + 100dB high signal-to-noise ratio\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eFull frequency coverage from 20Hz to 20kHz, rich detail for music and movie soundtracks\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003eSupports all 10W–300W 4Ω \/ 8Ω passive speakers for complete surround experience\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 2em ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cspan style=\"font-size: 18px;\"\u003eReliable Power Supply \u0026amp; Full Safety Protection\u003c\/span\u003e\u003c\/h2\u003e\u003c\/div\u003e\u003cp style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; line-height: 2em;'\u003e\u003cspan style=\"font-size: 18px;\"\u003eWide DC 24V–48V voltage input, match with a 10A or higher current power supply for stable high-power operation.\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; line-height: 2em;'\u003e\u003cspan style=\"font-size: 18px;\"\u003eThree core protection systems are pre-installed: overheat protection, over-current protection and power-on delay protection. The circuit automatically responds to abnormal loads to protect both the amplifier board and your speakers from burnout.\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003eUser-Friendly Wiring \u0026amp; Heat Dissipation Design\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cul style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eStandard 2.54mm pitch 8-pin single-ended audio input header\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eDedicated 12V 100mA DC fan interface for active cooling during long play sessions\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eCompact 260×130×45mm body, easy to install inside custom audio enclosures\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 2em ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003eCritical Operating Guidelines (Must Read Before Use)\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003col style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eOnly compatible with passive speakers. Active speakers, active subwoofers and constant-voltage speakers are prohibited.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eDo not supply voltage over 48V. Reversing power positive and negative poles will permanently destroy internal components.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eIncorrect audio input polarity will create heavy noise; verify wiring before powering on.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eKeep away from humid, damp spaces. Do not place the powered amplifier directly on any metal surface.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 2em ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003eFull Technical Specifications\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\u003c\/div\u003e\u003cp style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; line-height: 2em;'\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cbr\u003eModel: TPA3255 6-Channel Power Amplifier Board\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; line-height: 2em;'\u003e\u003cspan style=\"font-size: 18px;\"\u003eChipset: 3pcs TPA3255 Class D Audio Chips\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eChannels: 6 Channels for 5.1 Surround Sound\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eFrequency Response: 20Hz – 20kHz\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eSNR: 100dB\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eTHD: 0.01%\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eOperating Voltage: DC 24V ~ 48V\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eRecommended Power Supply Current: ≥10A\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eRated Output: 300W×6 (4Ω) \/ 150W×6 (8Ω)\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eMatching Speakers: 10W ~ 300W Passive Speakers (4Ω \/ 8Ω)\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eCooling Fan Port: 12V 100mA DC Fan\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eProtection: Overheat \/ Over-Current \/ Power-On Delay\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eOverall Size: 260 × 130 × 45 mm\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003eApplicable Scenarios\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; line-height: 2em;'\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cbr\u003eDIY 5.1 home theater system, custom desktop surround audio, multi-room speaker amplifier, professional studio audio modification, living room movie sound system\u003c\/span\u003e\u003c\/p\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"lillyelectronics","offers":[{"title":"Default Title","offer_id":40832663814273,"sku":"YJ-TPA3255-6x300W","price":183.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/8647\/4369\/files\/6293e54e47c7b74642fb527515d149d8.jpg?v=1784597805"},{"product_id":"tpa3255-8-channel-7-1-hifi-digital-amplifier-board-300w-8-4ω-150w-8-8ω-class-d-audio-amp-dc24-48v-20-20khz-snr100db","title":"TPA3255 8-Channel 7.1 HiFi Digital Amplifier Board 300W*8 4Ω 150W*8 8Ω Class D Audio Amp DC24-48V 20-20KHz SNR100dB","description":"\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cspan style=\"font-size: 36px;\"\u003e\u003cb\u003eProduct Description\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch1 style='font: 400 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003eTPA3255 8 Channel 7.1 Surround Class D Digital Power Amplifier Board | 300W×8 HiFi Audio Amp DC24V-48V\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cbr\u003e\u003cp style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; line-height: 2em;'\u003e\u003cspan style=\"font-size: 18px;\"\u003eCreate your own professional-grade 7.1 surround sound home theater with our high-performance TPA3255 8-channel digital amplifier board. Powered by four TPA3255 Class D chips, this audio module delivers explosive, clean multi-channel sound ideal for movie playback, music listening and custom DIY audio builds.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003ePremium Sound \u0026amp; High Power Performance\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cul style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eMax output power: 300W per channel at 4Ω impedance, 150W per channel at 8Ω\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eUltra-low 0.01% total harmonic distortion + 100dB ultra-high signal-to-noise ratio\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eFull frequency coverage 20Hz-20kHz, restore delicate treble and deep bass without noise\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eMatches all 10W~300W 4Ω \/ 8Ω passive speakers for complete 7.1 surround experience\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003eFull Protection System for Safe \u0026amp; Stable Operation\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\u003c\/div\u003e\u003cp style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; line-height: 2em;'\u003e\u003cspan style=\"font-size: 18px;\"\u003eWide DC 24V-48V voltage input, cooperate with a 10A+ high-current power supply to maintain continuous full-power output.\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; line-height: 2em;'\u003e\u003cspan style=\"font-size: 18px;\"\u003eThree built-in protection mechanisms: overheat protection, overcurrent protection and power-on delay protection. The circuit automatically responds to abnormal loads to protect both the amplifier board and your speakers from burnout.\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003eHumanized Interface \u0026amp; Heat Dissipation Design\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cul style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eStandard 2.54mm pitch 10-pin single-ended audio input socket for easy wiring\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eSpecial fan interface compatible with 12V 100mA DC fan for continuous heat dissipation\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eCompact overall size 350×132×45mm, easy to embed inside custom audio cabinet\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003eMust-Read Operation Guidelines\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003col style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eOnly compatible with passive speakers. Active speakers, active subwoofers and constant-voltage speakers are not allowed to connect.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eDo not use power supply over DC48V. Reversed positive and negative power poles will burn out internal components permanently.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eWrong polarity of audio input leads to obvious noise, check wiring before turning on power.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eOnly 12V 100mA DC fan can be connected to the fan port.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eDo not install in humid\/watery places; avoid placing powered amplifier directly on metal surface.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003eComplete Technical Specifications\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\u003c\/div\u003e\u003cp style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; line-height: 2em;'\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cbr\u003eModel: TPA3255 8-Channel Amplifier Board\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; line-height: 2em;'\u003e\u003cspan style=\"font-size: 18px;\"\u003eChipset: 4pcs TPA3255 Class D Audio Chips\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eOutput Channels: 8 Channels for 7.1 Surround Sound\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eFrequency Response: 20Hz ~ 20kHz\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eSignal to Noise Ratio (SNR): 100dB\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eTotal Harmonic Distortion (THD): 0.01%\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eOperating Voltage: DC 24V ~ 48V\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eRecommended Power Supply Current: ≥10A\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eOutput Power: 300W×8 (4Ω) \/ 150W×8 (8Ω)\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eMatching Speakers: 10W ~ 300W Passive Speakers (4Ω \/ 8Ω)\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eSupport Fan: 12V 100mA DC Fan\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eProtection Functions: Overheat \/ Overcurrent \/ Power-On Delay Protection\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003c\/div\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eProduct Size: 350 × 132 × 45 mm\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003ch2 style='font: 400 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003eApplication Scenarios\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\u003c\/div\u003e\u003cdiv style='color: rgb(31, 35, 41); font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; line-height: 24px; white-space: normal; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;'\u003e\u003cp style='font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; line-height: 2em;'\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cbr\u003eDIY 7.1 surround home theater system, multi-channel studio audio equipment, custom living room movie sound system, high-fidelity multi-room speaker amplifier, audio modification project for enthusiasts\u003c\/span\u003e\u003c\/p\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"lillyelectronics","offers":[{"title":"Default Title","offer_id":40832665223297,"sku":"YJ-TPA3255-8x300W","price":214.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/8647\/4369\/files\/f8dc0285f3fa887dcb817973043d27f6.jpg?v=1784598359"},{"product_id":"tpa3255-4-channel-315w-4-hifi-class-d-digital-power-amplifier-board-balanced-input-audio-amp-module-dc24-48v","title":"TPA3255 4-Channel 315W×4 HiFi Class D Digital Power Amplifier Board, Balanced Input Audio Amp Module DC24-48V","description":"\u003cdiv data-page-id=\"Jrz5dBglsodCMkxcfxncxvvnnBh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-Rzlvfz57rdHAW2cyXDxcQDBcnRh\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"line-height: 2em;\"\u003eThis TPA3255 4-Channel Class D Digital Amplifier Board is a high-performance multi-channel HiFi audio amplification module designed for professional home audio, DIY speaker systems, and multi-room sound setups. Powered by 2 pieces of original TPA3255 amplifier chips and upgraded with 4pcs 470µF\/50V large-capacity filter electrolytic capacitors, this amp board delivers ultra-stable, continuous, and powerful power output with outstanding sound purity. Adopting high-efficiency Class D operating mode, it features ultra-low quiescent current, ultra-high signal-to-noise ratio and wide dynamic range, bringing lossless, clear and layered HiFi stereo sound for all-level audio enthusiasts.\u003c\/p\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-J8dHfTdrtdnso2caL5Hcb9h8nge\"\u003eFull Product Specifications\u003c\/h2\u003e\n\u003cul start=\"1\" class=\"list-bullet1\"\u003e\n\u003cli class=\"ace-line ace-line old-record-id-BgIhfKSJFdkthjc3Mx6ccJGEnQh\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eProduct Model\u003c\/strong\u003e: TPA3255 4-Channel Class D Digital Amplifier Board\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-FPo2fBUaNdBjwKc4lrHcRS9nnpd\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eCore Chip\u003c\/strong\u003e: 2PCS Original TPA3255 Amplifier Chips\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-S0dTfaXKodqfi3cOkqoctOXinyg\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eOperating Mode\u003c\/strong\u003e: High-efficiency Class D Digital Amplification\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-SvPvf1u2kd30odcawMIcquPgnnt\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eQuiescent Current\u003c\/strong\u003e: 150mA\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-ULxxfYnJHdhYKYcia77chMhjn5d\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eConversion Efficiency\u003c\/strong\u003e: Over 90%\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-XBhLfxb5ld79RCcsSOBcgYevnVe\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eOutput Power (Per Channel)\u003c\/strong\u003e:\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-QXp5fHpjOdkXVkcKuz6cQQLXnLb\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e- 315W @ 4Ω (10% THD)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-MXzcfGSS7d3peac4y64cosiQnMf\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e- 185W @ 8Ω (10% THD)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-STfKfvT7Pd3aWgctKQacW7sAnOf\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e- 260W @ 4Ω (1% THD)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-MmC7fRAZidlfPaczEIkctIpmn9f\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e- 150W @ 8Ω (1% THD)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-IWzrfpItDdRUQxcHrqMcO7H5nVc\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 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data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eRecommended Power Supply\u003c\/strong\u003e: DC 36V Switching Power Supply\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-Cx7Kfn6YmdKCdfcFywWcUK18nUe\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eProduct Dimension\u003c\/strong\u003e: 108 × 94 × 35mm\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cspan 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border-box;'\u003e4-channel home theater surround sound system | Multi-room background music playback | DIY passive speaker assembly \u0026amp; modification | High-fidelity desktop audio setup | Small commercial audio playback equipment\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"lillyelectronics","offers":[{"title":"Default Title","offer_id":40835201958017,"sku":"YJ-TPA3255-300W*4","price":109.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/8647\/4369\/files\/8dbac1ac1a0cd36794a5b138ebf77af2.jpg?v=1784797344"},{"product_id":"d100a-dual-tpa3116-bluetooth-5-0-class-d-stereo-amplifier-2-100w","title":"D100A Dual TPA3116 Bluetooth 5.0 Class D Stereo Amplifier 2×100W","description":"\u003ch2\u003e\u003cspan\u003eProduct Description\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eD100A Dual TPA3116 Bluetooth 5.0 Class D Stereo Amplifier\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact 2-channel HiFi power amplifier designed for passive speakers, DIY audio systems, desktop setups, and home stereo applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBuilt with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etwo TPA3116 Class D amplifier chips\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the D100A delivers powerful stereo output of up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2×100W at 4Ω or 2×50W at 8Ω when operated at 24V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Its efficient Class D design combines strong output capability with a compact aluminum enclosure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEnjoy wireless audio through \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBluetooth 5.0\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e or connect a wired audio source through the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003estereo RCA inputs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The included external Bluetooth antenna helps provide a stable wireless connection with a transmission distance of up to approximately 10 meters under suitable conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eDual TPA3116 amplifier chips\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003e2.0-channel stereo Class D amplifier\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eBluetooth 5.0 wireless audio\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eUp to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2×100W output at 4Ω\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eUp to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2×50W output at 8Ω\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePower ratings measured with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e24V power supply\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSupports \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4Ω and 8Ω passive speakers\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eRecommended speaker power range: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0–150W\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003e20Hz–20kHz frequency response\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBluetooth transmission distance up to approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e10 m\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eStereo \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRCA audio input\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eConvenient front \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003evolume control\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExternal Bluetooth antenna\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact aluminum enclosure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReverse-polarity, short-circuit and self-recovery over-temperature protection\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e D100A\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAmplifier Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Class D\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOutput Channels:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2.0 Stereo\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAmplifier Chips:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2 × TPA3116\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eBluetooth Version:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Bluetooth 5.0\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFrequency Response:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 20Hz–20kHz\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eInput:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Bluetooth 5.0 \/ Stereo RCA\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOutput Power at 4Ω:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Up to 100W × 2\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOutput Power at 8Ω:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Up to 50W × 2\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePower Rating Test Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 24V\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eRecommended Speaker Impedance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4Ω \/ 8Ω\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eRecommended Speaker Power:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0–150W\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePower Supply:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e DC 12V–24V, 6–10A\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eRecommended Power Supply:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e DC 24V 6A\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDC Connector:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 5.5 × 2.5 mm, center positive\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eBluetooth Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Up to approx. 10 m\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 90 × 110 × 35 mm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approx. 300 g\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAudio Input\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe D100A supports two convenient audio input methods:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eBluetooth 5.0:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e When RCA cables are not connected, the amplifier defaults to Bluetooth mode. The Bluetooth device name is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBT5.0\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eRCA Input:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e For wired audio, connect both the left and right RCA channels. Both RCA connectors must be inserted to switch the amplifier into RCA input mode.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSpeaker Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis amplifier is designed for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003epassive constant-impedance speakers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e rated at \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4Ω or 8Ω\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDo not use with:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eActive\/powered speakers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e70V\/100V constant-voltage speakers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConstant-voltage PA speaker systems\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eProtection Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe amplifier incorporates multiple protection functions, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eReverse-polarity power protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShort-circuit protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSelf-recovery over-temperature protection\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eImportant Power Supply Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor best performance, a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e24V 6A DC power supply is recommended\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDo not exceed \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e24V DC\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, as excessive input voltage may damage the amplifier.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe DC power connector is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5.5 × 2.5 mm, center positive\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eImportant Wiring Note\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDo \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot connect the negative terminals of the left and right speaker outputs together\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Doing so may damage the amplifier.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePackage Includes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 × D100A Bluetooth Class D Stereo Amplifier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × Bluetooth Antenna\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × Stereo RCA Audio Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePower adapter is not included unless specifically selected or stated in the product option.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eIdeal For\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHome stereo systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePassive bookshelf speakers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDIY audio projects\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesktop audio systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWorkshop audio systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBluetooth speaker projects\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact HiFi setups\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!--[Datacaciques code end]--\u003e\n\u003cstyle type=\"text\/css\"\u003e.dc_tracker_img{display:none;}.dc_tracker_img:last-of-type{display:block;}p:empty+hr{display:none;}hr+span.ebay,hr+*\u003espan.ebay{display:none;}\u003c\/style\u003e","brand":"Lilly Electronics","offers":[{"title":"Silver \/ No Adapter No RCA","offer_id":40854119678081,"sku":"YJ-D100A-TPA3116-100Wx2_SIL","price":33.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ With Adapter \u0026 RCA","offer_id":40854119710849,"sku":"YJ-D100A-TPA3116-100Wx2_SIL+ADPT","price":55.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ No Adapter No RCA","offer_id":40854124691585,"sku":"YJ-D100A-TPA3116-100Wx2_BLK","price":33.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ With Adapter \u0026 RCA","offer_id":40854124724353,"sku":"YJ-D100A-TPA3116-100Wx2_BLK+ADPT","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/8647\/4369\/files\/YJ-D100A-TPA3116-100Wx2_1.png?v=1786685695"}],"url":"https:\/\/www.lilly-electronics.com\/collections\/class-d-digital.oembed","provider":"Lilly Electronics","version":"1.0","type":"link"}