{"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: 2em;\"\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e: 20Hz – 20kHz Full Audio Band\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-Mszzf0cS3dcOMbcqSm3cB0AOnng\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eDynamic Range\u003c\/strong\u003e: Over 100dB\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-ZUGHffxsTdRQkUcBoF9cmMDhnBc\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eSignal-to-Noise Ratio (SNR)\u003c\/strong\u003e: Up to 111dB\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-MJNOfiwb4daHBxc4cTxcF43JnNd\" data-list=\"bullet\"\u003e\u003cp style=\"line-height: 2em;\"\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e: DC 24V – 48V Switching Power Supply (DC Input)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-CSLmfJbOSdUBprcznVKc5AtenWT\" 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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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. 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