{"product_id":"tpa3255-2-channel-digital-amplifier-board-600w-2-hifi-class-d-power-amp-for-2ω-4ω-8ω-speakers-dc24-48v","title":"TPA3255 2-Channel Digital Amplifier Board 600W×2 HiFi Class D Power Amp for 2Ω\/4Ω\/8Ω Speakers DC24-48V","description":"\u003cdiv data-page-id=\"OFHHdpV0Zo4hsKxhA9Sc5U7TnCe\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-OFHHdpV0Zo4hsKxhA9Sc5U7TnCe\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 36px;\"\u003eTPA3255 2-Channel Digital 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. It supports multi-impedance passive speakers, perfectly meeting the power demand of different home audio and DIY speaker systems. 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. It is forbidden to connect active speakers, active subwoofers or constant-voltage speakers to avoid equipment failure.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-J3oCf8JFVdxscgcGvUqc9YIRn7d\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003ePower Supply Requirements\u003c\/strong\u003e: Adopts DC 24V-48V power supply (10A or higher current power supply is recommended). The maximum voltage shall not exceed 48V. \u003cstrong\u003eDo not reverse the positive and negative poles\u003c\/strong\u003e of the power interface, otherwise the internal components will be burned out.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-XdDOfoQ6wdMU33c2T9Gce296nvc\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eMute Mode\u003c\/strong\u003e: Short-circuit the mute interface to quickly enter mute state for convenient audio adjustment.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-FObcfJDO8duZ9jcQbiKcwRsRnmf\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eAudio Input Notice\u003c\/strong\u003e: Single-ended input design. Please do not reverse the positive and negative terminals of the input interface, otherwise abnormal noise will occur.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-AyfLfUEwrdu6KNcoUmMc0yo2n4b\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eFan Matching\u003c\/strong\u003e: The reserved fan interface supports 12V 100mA DC fan for auxiliary heat dissipation.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-Cj2Pf3GY1dVcI4cTugvcxBkMnMg\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eInstallation Environment\u003c\/strong\u003e: Do not install the board in humid and watery environments, and do not power it on when placed directly on metal surfaces to prevent short circuit and safety hazards.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cspan data-lark-record-data='{\"isCut\":false,\"rootId\":\"OFHHdpV0Zo4hsKxhA9Sc5U7TnCe\",\"parentId\":null,\"blockIds\":[1],\"recordIds\":[\"OFHHdpV0Zo4hsKxhA9Sc5U7TnCe\"],\"recordMap\":{\"OFHHdpV0Zo4hsKxhA9Sc5U7TnCe\":{\"id\":\"OFHHdpV0Zo4hsKxhA9Sc5U7TnCe\",\"snapshot\":{\"type\":\"page\",\"parent_id\":\"\",\"comments\":[],\"revisions\":[],\"locked\":false,\"hidden\":false,\"author\":\"7593841774628441312\",\"children\":[\"UFqHfH8bWdldOOcbED8c2G9wnHb\",\"Jsi8fH3T1d8608c7yOHcR8k7nHh\",\"Z9TGfwgxZdaWd9cFU0zc0Hh3n3e\",\"Z9d2fJWtkdzU3xcPmhSccpSEn1d\",\"W8YcfZieudDD6AciitJcVbyVnDk\",\"XAAwfT8ksdQXRyc9hLGcg45InKd\",\"THQ1fqq7ydSOr9cvbQWcyIE8nKd\",\"Jwvgf9frNdKJrBcwmnYcodAUnxc\",\"ADJ6fAgeude1yQcSEXJcwN8Hnxe\",\"BRobfz34rdWU1scq6Fcchv4qnic\",\"J3oCf8JFVdxscgcGvUqc9YIRn7d\",\"XdDOfoQ6wdMU33c2T9Gce296nvc\",\"FObcfJDO8duZ9jcQbiKcwRsRnmf\",\"AyfLfUEwrdu6KNcoUmMc0yo2n4b\",\"Cj2Pf3GY1dVcI4cTugvcxBkMnMg\"],\"text\":{\"initialAttributedTexts\":{\"text\":{\"0\":\"TPA3255 2-Channel Digital Amplifier Board, 600W×2 HiFi Class D Power Amp, DC 24V-48V Passive Speaker Amplifier for 2Ω\/4Ω\/8Ω Speakers\"},\"attribs\":{\"0\":\"*0+3o\"}},\"apool\":{\"numToAttrib\":{\"0\":[\"author\",\"7593841774628441312\"]},\"nextNum\":1}},\"align\":\"\",\"status\":{\"streaming\":{\"enabled\":false,\"expired_at\":\"1784538643\",\"source\":1,\"operator_id\":\"7593841774628441312\",\"is_create_command\":false}}}},\"UFqHfH8bWdldOOcbED8c2G9wnHb\":{\"id\":\"UFqHfH8bWdldOOcbED8c2G9wnHb\",\"snapshot\":{\"type\":\"heading2\",\"parent_id\":\"OFHHdpV0Zo4hsKxhA9Sc5U7TnCe\",\"comments\":[],\"revisions\":[],\"locked\":false,\"hidden\":false,\"author\":\"7593841774628441312\",\"children\":[],\"text\":{\"apool\":{\"nextNum\":3,\"numToAttrib\":{\"0\":[\"author\",\"7593841774628441312\"],\"1\":[\"ai-extra\",\"{\\\"is_ai_gen\\\":true}\"],\"2\":[\"bold\",\"true\"]}},\"initialAttributedTexts\":{\"attribs\":{\"0\":\"*0*1*2+1a\"},\"text\":{\"0\":\"Powerful HiFi Stereo Sound \u0026amp; High Output Power\"}}},\"align\":\"left\"}},\"Jsi8fH3T1d8608c7yOHcR8k7nHh\":{\"id\":\"Jsi8fH3T1d8608c7yOHcR8k7nHh\",\"snapshot\":{\"type\":\"text\",\"parent_id\":\"OFHHdpV0Zo4hsKxhA9Sc5U7TnCe\",\"comments\":[],\"revisions\":[],\"locked\":false,\"hidden\":false,\"author\":\"7593841774628441312\",\"children\":[],\"text\":{\"apool\":{\"nextNum\":2,\"numToAttrib\":{\"0\":[\"author\",\"7593841774628441312\"],\"1\":[\"ai-extra\",\"{\\\"is_ai_gen\\\":true}\"]}},\"initialAttributedTexts\":{\"attribs\":{\"0\":\"*0*1+ef\"},\"text\":{\"0\":\"Adopting 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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Reliable Operation: 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\"}}},\"align\":\"left\"}},\"Jwvgf9frNdKJrBcwmnYcodAUnxc\":{\"id\":\"Jwvgf9frNdKJrBcwmnYcodAUnxc\",\"snapshot\":{\"type\":\"bullet\",\"parent_id\":\"OFHHdpV0Zo4hsKxhA9Sc5U7TnCe\",\"comments\":[],\"revisions\":[],\"locked\":false,\"hidden\":false,\"author\":\"7593841774628441312\",\"children\":[],\"text\":{\"apool\":{\"nextNum\":3,\"numToAttrib\":{\"0\":[\"author\",\"7593841774628441312\"],\"1\":[\"ai-extra\",\"{\\\"is_ai_gen\\\":true}\"],\"2\":[\"bold\",\"true\"]}},\"initialAttributedTexts\":{\"attribs\":{\"0\":\"*0*1*2+w*0*1+45\"},\"text\":{\"0\":\"Professional \u0026amp; Easy Installation: Standard 2.54mm pitch 3P audio input interface, single-ended input design, simple wiring and convenient for DIY installation and equipment matching\"}}},\"align\":\"left\"}},\"ADJ6fAgeude1yQcSEXJcwN8Hnxe\":{\"id\":\"ADJ6fAgeude1yQcSEXJcwN8Hnxe\",\"snapshot\":{\"type\":\"heading2\",\"parent_id\":\"OFHHdpV0Zo4hsKxhA9Sc5U7TnCe\",\"comments\":[],\"revisions\":[],\"locked\":false,\"hidden\":false,\"author\":\"7593841774628441312\",\"children\":[],\"text\":{\"apool\":{\"nextNum\":3,\"numToAttrib\":{\"0\":[\"author\",\"7593841774628441312\"],\"1\":[\"ai-extra\",\"{\\\"is_ai_gen\\\":true}\"],\"2\":[\"bold\",\"true\"]}},\"initialAttributedTexts\":{\"attribs\":{\"0\":\"*0*1*2+17\"},\"text\":{\"0\":\"Standard Operating Instructions (Must Read)\"}}},\"align\":\"left\"}},\"BRobfz34rdWU1scq6Fcchv4qnic\":{\"id\":\"BRobfz34rdWU1scq6Fcchv4qnic\",\"snapshot\":{\"type\":\"bullet\",\"parent_id\":\"OFHHdpV0Zo4hsKxhA9Sc5U7TnCe\",\"comments\":[],\"revisions\":[],\"locked\":false,\"hidden\":false,\"author\":\"7593841774628441312\",\"children\":[],\"text\":{\"apool\":{\"nextNum\":3,\"numToAttrib\":{\"0\":[\"author\",\"7593841774628441312\"],\"1\":[\"ai-extra\",\"{\\\"is_ai_gen\\\":true}\"],\"2\":[\"bold\",\"true\"]}},\"initialAttributedTexts\":{\"attribs\":{\"0\":\"*0*1*2+l*0*1+q*0*1*2+y*0*1+3c\"},\"text\":{\"0\":\"Speaker Compatibility: This amplifier board is only suitable for passive speakers. It is forbidden to connect active speakers, active subwoofers or constant-voltage speakers to avoid equipment failure.\"}}},\"align\":\"left\"}},\"J3oCf8JFVdxscgcGvUqc9YIRn7d\":{\"id\":\"J3oCf8JFVdxscgcGvUqc9YIRn7d\",\"snapshot\":{\"type\":\"bullet\",\"parent_id\":\"OFHHdpV0Zo4hsKxhA9Sc5U7TnCe\",\"comments\":[],\"revisions\":[],\"locked\":false,\"hidden\":false,\"author\":\"7593841774628441312\",\"children\":[],\"text\":{\"apool\":{\"nextNum\":3,\"numToAttrib\":{\"0\":[\"author\",\"7593841774628441312\"],\"1\":[\"ai-extra\",\"{\\\"is_ai_gen\\\":true}\"],\"2\":[\"bold\",\"true\"]}},\"initialAttributedTexts\":{\"attribs\":{\"0\":\"*0*1*2+p*0*1+3k*0*1*2+1a*0*1+26\"},\"text\":{\"0\":\"Power Supply Requirements: Adopts DC 24V-48V power supply (10A or higher current power supply is recommended). The maximum voltage shall not exceed 48V. 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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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