{"product_id":"stonetaskin-2x20w-lm1875-power-amplifier-board-dual-channel-2-0-stereo-pure-power-amplifier-board-diy-speaker-high-power-module-fully-tested-free-shipping","title":"StoneTaskin 2X20W LM1875 Power Amplifier Board Dual Channel 2.0 Stereo Pure Power Amplifier Board DIY Speaker High Power Module Fully Tested Free Shipping","description":"\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eWe have re-optimized the line, the anti-noise ability has been greatly increased, the sound is clear and identifiable, very quiet, without impact, and the sound is clean and no noise!\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eUsing dual-bridge independent power supply, each chip has a separate rectifier bridge and capacitor system power supply, which are independent of each other and do not affect each other, which further improves the channel separation of the left and right channels!\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eThe white 3P audio socket is a standard socket commonly used in the industry, which can be connected to external audio modules such as decoder boards and Bluetooth modules\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eThe blue 3P terminal can be directly modified to various front-level tuning boards and volume potentiometers, etc.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eRegarding the power supply, we recommend using a 40W-80W dual power transformer 11V-15V\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e!!! Remember!!! If the voltage is too high, it will explode, because this is a small and medium power design, it is a small board, it is best to measure the voltage before powering on!\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eProduct model: LM1875 (domestic chip) dual-channel 2.0 stereo power amplifier board\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003ePCB board size: 68mmX76mm standard M3 screw hole\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eModule weight: 75 grams\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003ePower supply: dual power transformer 11-15V is recommended not to exceed 15V\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eOutput impedance: 4Ω 8Ω\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003ePower: 2X20W chip output\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eAdvantages: excellent material, simple structure, using classic power amplifier circuit, good effect, not picky\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eJust find a small 50W transformer and you can easily bring it up!\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eThe best choice for ordinary DIY players, the power amplifier board, the structure is simple and easy to modify ~ support the signal access of the tuning board for tuning\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003ePackage include:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 102, 102);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e1x power amplifier board\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Hbb0bd74c157649d288bc3043c6dd8322d.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H8a9cd902f8cb40e6894f38078a2c4af18.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H13d329a0a6ed4e2088381cfcdb209cbby.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H1aa763d48e7b43b4affafaab02d4680f5.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Hc986a9e9e9034e859360aa65622e4683A.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\r\n\u003cscript\u003ewindow.adminAccountId=247465591;\u003c\/script\u003e\r\n","brand":"StoneTaskin","offers":[{"title":"Default Title","offer_id":48794171506842,"sku":null,"price":10.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2140\/0715\/files\/2X20W-LM1875-Power-Amplifier-Board-Dual-Channel-2-0-Stereo-Pure-Power-Amplifier-Board-DIY-Speaker_6b01ed16-25cf-4172-a4d8-20809ed90e56.webp?v=1784699700","url":"https:\/\/www.stonetaskin.com\/products\/stonetaskin-2x20w-lm1875-power-amplifier-board-dual-channel-2-0-stereo-pure-power-amplifier-board-diy-speaker-high-power-module-fully-tested-free-shipping","provider":"StoneTaskin","version":"1.0","type":"link"}