{"product_id":"tpa3255-4-channel-digital-power-amplifier-board-300w-4-4ω-150w-4-8ω-hifi-audio-amp-dc24v-48v-with-full-protection-circuit","title":"TPA3255 4-Channel Digital Power Amplifier Board 300W×4@4Ω 150W×4@8Ω HiFi Audio Amp DC24V-48V with Full Protection Circuit","description":"\u003cdiv data-page-id=\"STUjd6Pd9ozjQQxjMO4cS5HenBy\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-R3MCfa410dhIxbcT26TcF70hn0f\"\u003e\u003cspan style=\"font-size: 36px;\"\u003eProduct Description\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-KTS0fu7nydUv6XcNpgGcbHGcniH\"\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cstrong\u003eBring Studio-Level HiFi Sound to Your Home \u0026amp; DIY Audio Setup\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"line-height: 2em;\"\u003eLooking for a high-power, low-distortion and high-stability digital amplifier board for your speaker upgrade and audio DIY project? 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. Compact size (188×130×45mm) saves installation space, suitable for all kinds of DIY audio systems, home theater setups, desktop stereo speakers and indoor professional audio equipment.\u003c\/p\u003e\n\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003eProfessional Usage Guidelines for Better Experience\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 2em;\"\u003eThis amplifier board is \u003cstrong\u003eonly compatible with passive speakers (10W-300W, 4Ω\/8Ω)\u003c\/strong\u003e. Please do not connect active speakers, active subwoofers or constant-voltage speakers. Strictly follow DC 24V-48V voltage range and correct power polarity. Do not use in humid environment or place on metal surface during power-on operation to ensure safe use.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv data-page-id=\"STUjd6Pd9ozjQQxjMO4cS5HenBy\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"\u003e\u003cdiv class=\" old-record-id-TqQ7f3tA1dsccScnd7kcAGRlnyh\"\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cb\u003eFull Specifications\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan data-lark-record-data='{\"rootId\":\"STUjd6Pd9ozjQQxjMO4cS5HenBy\",\"text\":{\"initialAttributedTexts\":{\"text\":{\"0\":\"Full 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