{"product_id":"oiyagai-1pc-pam8403-2x3w-digital-stereo-amplifier-board-amp-dc-5v-digital-audio-amplifier-board-3w3w-digital-power-amp-module-super-mini","title":"Oiyagai 1pc PAM8403 2x3W Digital Stereo Amplifier Board AMP DC 5V Digital Audio Amplifier Board 3W+3W Digital Power Amp Module Super Mini","description":"Brand: Oiyagai\u003cbr\u003e\u003cbr\u003e\u0026lt;b\u0026gt;PAM8403 Super Mini 5V Digital Amplifier Board 3W*2 USB Powered Volume Control\u0026lt;\/b\u0026gt;\u0026lt;br\u0026gt;1.Operating Voltage: 2.5V-5.5V.Note : Do not exceed the supply voltage 5.5V, do not reverse the positive and negative power supply.\u0026lt;br\u0026gt;2. Speaker: 4-8?. Speaker Power :2-8W.\u0026lt;br\u0026gt;3. Can be powered by 5V USB, or cell phone charger USB port 5V, Lithium battery power also.\u0026lt;br\u0026gt;4. High efficiency of 90%, 4? load and 5V power supply conditions, can provide 3W ( left channel ) +3 W ( right channel ) output power. The efficiency of power amplifier Class A and Class B is only at 30%, Class D amplifier is respected in today's green trend.\u0026lt;br\u0026gt;5. Class D amplifier efficiency is very good, the sound quality will be not affected by temperature, and it works still very well even if without additional heat sink.\u0026lt;br\u0026gt;6. Built-in noise canceling circuit, short circuit current protection and over-temperature protection.\u003cbr\u003e\u003cbr\u003e• PAM8403 Mini Power Amplifier Board\u003cbr\u003e• Operating voltage: DC 2.5-5.5V\u003cbr\u003e• Max output: 3Wx2 (5V 4?)\u003cbr\u003e• Efficiency: 90%\u003cbr\u003e• Class D amplifier efficiency is very good, the sound quality will be not affected by temperature, and it works still very well even if without additional heat sink.\u003cbr\u003e• Package Include:1pc * Module\u003cbr\u003e\u003cbr\u003eModel: 4332835212","brand":"Oiyagai","offers":[{"title":"Default Title","offer_id":52345924944154,"sku":"MCAB075ZR6QNX","price":126.05,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/6772\/2266\/files\/613hR7fjvcL.jpg?v=1781260100","url":"https:\/\/craftedyogi.com\/products\/oiyagai-1pc-pam8403-2x3w-digital-stereo-amplifier-board-amp-dc-5v-digital-audio-amplifier-board-3w3w-digital-power-amp-module-super-mini","provider":"Craftedyogi","version":"1.0","type":"link"}