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DAOKI 10PCS Digital DC 5V Amplifier Board Class D 23W USB Power Mini PAM8403 Audio Module
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*Price and Stocks may change without prior notice
*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
- 7 Day Return Policy
- All products are genuine and original
About DAOKI 10PCS Digital DC 5V Amplifier Board Class D
Features:Can use the computer USB port 5V power supplyor using a mobile phone charger USB port 5V power supplybattery power can also be usedhigh efficiency:90%can provide 3W (left channel) +3 W (right channel) output power in the 4? load and 5V power supply conditionsA class, B class amplifier such efficiency is only about 30%D class amplifier is highly respected todayD class amplifier efficiency is extremely high, not because of temperature affect the sound qualitybut do not add heat sink and take less spacenoise canceling circuit was built in the amplifier boardpower on / off without pop noisemodule has a short-circuit current protection and over-temperature protection Application:LCD TVs, monitors,LaptopPortable SpeakersPortable DVD players, game consolesPhone / speakerphone Specifications:Operating voltage: 2.5V-5.5VSpeaker With:4-8ohms recommended:4 ohmsSpeaker Power :2-8WSize:21 x 18 x 3.4mm(L x W x H)Color:As the pics showNet weight:1g Package Contents:10 x Amplifier Board Note: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.
