{"product_id":"tpa3255-hifi-class-d-digital-power-amplifier-board-2-315w-stereo-audio-amplifier-btl-dc18v-53v","title":"TPA3255 HIFI Class D Digital Power Amplifier Board 2*315W Stereo Audio Amplifier BTL DC18V-53V","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE,Arvin\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003cp\u003e\u003cspan style=\"color:#000000;\"\u003e\u003cspan style=\"font-size:18px;\"\u003e\u003cspan style=\"font-family:Arial,Helvetica,sans-serif;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:#2980b9;\"\u003e\u003cspan style=\"font-size:18px;\"\u003e\u003cspan style=\"font-family:Arial,Helvetica,sans-serif;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:#000000;\"\u003e\u003cspan style=\"font-size:18px;\"\u003e\u003cspan style=\"font-family:Arial,Helvetica,sans-serif;\"\u003e\u003cbr\u003e\nProduct Name: TPA3255 Class D Audio Amplifier\u003cbr\u003e\nOutput power: 315W * 2 (4ohms 10% THD)\u003cbr\u003e\nSupply voltage DC18-DC53.5V\u003cbr\u003e\nAudio input: XH2.54mm 3PIN connector\u003cbr\u003e\nOutput channel 2-channel stereo\u003cbr\u003e\nProduct size 130x78mm\u003cbr\u003e\n\u003cbr\u003e\nNote:\u003cbr\u003e\n\u003cu\u003e1) This circuit board has overload and other protection functions inside.\u003c\/u\u003e\u003cbr\u003e\nRough operations (\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:#c0392b;\"\u003e\u003cspan style=\"font-size:18px;\"\u003e\u003cspan style=\"font-family:Arial,Helvetica,sans-serif;\"\u003esuch as plugging and unplugging output terminals with power on, excessive input signals, connecting speakers with power on, etc.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:#000000;\"\u003e\u003cspan style=\"font-size:18px;\"\u003e\u003cspan style=\"font-family:Arial,Helvetica,sans-serif;\"\u003e)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:#c0392b;\"\u003e\u003cspan style=\"font-size:18px;\"\u003e\u003cspan style=\"font-family:Arial,Helvetica,sans-serif;\"\u003e \u003cu\u003ecan cause the internal protection circuit of the chip to start and cut off the output of the power amplifier board.\u003c\/u\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:#000000;\"\u003e\u003cspan style=\"font-size:18px;\"\u003e\u003cspan style=\"font-family:Arial,Helvetica,sans-serif;\"\u003e At this point, the power amplifier board appears to be silent on one or two channels. And it will not automatically recover with the termination of violent operations. In this situation, it is necessary to cut off the power supply of the amplifier board, let it stand for a period of time (several seconds to tens of seconds), and then turn it back on to restore normal operation. Rough handling may also result in permanent damage to the chip\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cstrong\u003e\u003cspan style=\"color:#c0392b;\"\u003e\u003cspan style=\"font-size:18px;\"\u003e\u003cspan style=\"font-family:Arial,Helvetica,sans-serif;\"\u003eThis amplifier board is suitable for use with power transformers with a power of up to 600VA and an output voltage between AC dual 20V and dual 33V (three wires per output).\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"color:#000000;\"\u003e\u003cspan style=\"font-size:18px;\"\u003e\u003cspan style=\"font-family:Arial,Helvetica,sans-serif;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style=\"color:#8e44ad;\"\u003e\u003cspan style=\"font-size:18px;\"\u003e\u003cspan style=\"font-family:Arial,Helvetica,sans-serif;\"\u003eIt can also be paired with a lower power transformer, which will limit the output power of the power amplifier board.\u003cbr\u003e\nIt can also be paired with a transformer with a single power output (two wires per output), with an output voltage range of 20-33V AC.\u003cbr\u003e\nAt this point, it is necessary to additionally cooperate with a bridge rectifier filter circuit to convert it into DC voltage and supply power to the power amplifier board.\u003cbr\u003e\nWe can also use solutions other than transformer rectification and filtering to power this amplifier board. As long as the DC voltage meets the working conditions of the power amplifier board, the power amplifier board can also work normally. However, from the perspective of sound quality, it is more recommended to adopt the transformer full wave rectification scheme.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cimg cke-id=\"img46\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S616ebf42905c492b910eeaa1cc9acd7bm.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e\u003cbr\u003e\n\u003cimg cke-id=\"img47\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S26f7c503cc5d4f1b9f79d9d5aaefda18r.jpg?width=800\u0026amp;height=579\u0026amp;hash=1379\"\u003e\u003cimg cke-id=\"img48\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S0c0f06b612fd4615a6869f4cc3427e7eq.jpg?width=900\u0026amp;height=993\u0026amp;hash=1893\"\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cimg cke-id=\"img49\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S55f7a21a0e5243d0abcc678f918dea76F.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e\u003cimg cke-id=\"img50\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S7c0a7abeb1f9481cac07abdb6cfc1f677.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e\u003cbr\u003e\n\u003cimg cke-id=\"img51\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Saf4e0c5b4f8e4a3f8b35ef6e6727f2a47.jpg?width=800\u0026amp;height=422\u0026amp;hash=1222\"\u003e\u003cbr\u003e\n\u003cimg cke-id=\"img52\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sae1ed1c703664c1eb16014017acbaff6x.jpg?width=800\u0026amp;height=422\u0026amp;hash=1222\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"Default Title","offer_id":55374230421803,"sku":"\u003cnone\u003e","price":151.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S0a871467b8f342dc9e8ce3ceaf9e2887A.webp?v=1788325168","url":"https:\/\/yoeruyo.com\/products\/tpa3255-hifi-class-d-digital-power-amplifier-board-2-315w-stereo-audio-amplifier-btl-dc18v-53v","provider":"Yoeruyo","version":"1.0","type":"link"}