{"product_id":"pam8403-2x-3w-mini-digital-power-amplifier-board-amp-class-d-25-5v-input","title":"PAM8403 2X 3W Mini Digital Power Amplifier Board AMP Class D 2.5-5V Input","description":"Brand: Reland Sun\u003cbr\u003e\u003cbr\u003e\u0026lt;strong\u0026gt;\u0026lt;\/strong\u0026gt;\u0026lt;br\u0026gt; \u0026lt;strong\u0026gt;Features:\u0026lt;\/strong\u0026gt;\u0026lt;br\u0026gt; Can use the computer USB port 5V power supply\u0026lt;br\u0026gt; or using a mobile phone charger USB port 5V power supply\u0026lt;br\u0026gt; battery power can also be used\u0026lt;br\u0026gt; high efficiency:90%\u0026lt;br\u0026gt; can provide 3W (left channel) +3 W (right channel) output power in the 4? load and 5V power supply conditions A class, B class amplifier such efficiency is only about 30%\u0026lt;br\u0026gt; D class amplifier is highly respected today\u0026lt;br\u0026gt; D class amplifier efficiency is extremely high, not because of temperature affect the sound quality but do not add heat sink and take less space\u0026lt;br\u0026gt; noise canceling circuit was built in the amplifier board\u0026lt;br\u0026gt; power on \/ off without pop noise\u0026lt;br\u0026gt; module has a short-circuit current protection and over-temperature protection\u0026lt;br\u0026gt; \u0026lt;br\u0026gt; \u0026lt;strong\u0026gt;Application:\u0026lt;\/strong\u0026gt;\u0026lt;br\u0026gt; LCD TVs, monitors,\u0026lt;br\u0026gt; Laptop\u0026lt;br\u0026gt; Portable Speakers\u0026lt;br\u0026gt; Portable DVD players, game consoles\u0026lt;br\u0026gt; Phone \/ speakerphone\u0026lt;br\u0026gt; \u0026lt;br\u0026gt; \u0026lt;strong\u0026gt;Specifications:\u0026lt;\/strong\u0026gt;\u0026lt;br\u0026gt; Operating voltage: 2.5V-5.5V\u0026lt;br\u0026gt; Speaker With:4-8ohms recommended:4 ohms\u0026lt;br\u0026gt; Speaker Power :2-8W\u0026lt;br\u0026gt; Size:21 x 18 x 3.4mm(L x W x H)\u0026lt;br\u0026gt; Color:As the pics show\u0026lt;br\u0026gt; Net weight:1g\u0026lt;br\u0026gt; \u0026lt;br\u0026gt; \u0026lt;strong\u0026gt;Package Contents\u0026lt;\/strong\u0026gt;\u0026lt;br\u0026gt; 1x Amplifier Board\u0026lt;br\u0026gt; \u0026lt;br\u0026gt; \u0026lt;strong\u0026gt;Note:\u0026lt;\/strong\u0026gt;Left and right channel output of the \"negative\" and can not be together,otherwise it will burn IC, and speaker(load) should be connected before power on.\u003cbr\u003e\u003cbr\u003e• Operating voltage: 2.5V-5.5V\u003cbr\u003e• Speaker With:4-8ohms recommended:4 ohms,Speaker Power :2-8W\u003cbr\u003e• Excellent noise control. When there is no audio input, you cannot hear any noise even you close to the speaker.\u003cbr\u003e• Two-channel stereo, single 5V power supply, can directly drive any 4-8 ohms speakers. High output power, good sound quality.\u003cbr\u003e• Unique non-LC filter Class-D digital power board, can directly use the USB as the power supply.","brand":"Reland Sun","offers":[{"title":"Default Title","offer_id":52345935790362,"sku":"MCAB09Q31WR2N","price":126.05,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/6772\/2266\/files\/418_C_pSBdL.jpg?v=1781260258","url":"https:\/\/craftedyogi.com\/products\/pam8403-2x-3w-mini-digital-power-amplifier-board-amp-class-d-25-5v-input","provider":"Craftedyogi","version":"1.0","type":"link"}