Sell PISTACHIO 10PCs Integrated Circuits Audio Module Channel D 2*3W USB Power Amplifier Board Mini Efficient Digital Stereo Mini PAM8403 best price

<div><p>or using a mobile phone charger USB port 5V power supply Color:As the picture shown Speaker With:4-8ohms recommended:4 ohms A class, B class amplifier such efficiency is only about 30% Laptop Noise canceling circuit was built in the amplifier board D class amplifier is highly respected today Speaker Power :2-8W Portable Speakers Operating voltage: 2.5V-5.5V D class amplifier efficiency is extremely high, not because of temperature affect the sound quality LCD TVs,monitors Can provide 3W (left channel) +3 W (right channel) output power in the 4Ω load and 5V power supply conditions Battery power can also be used Module has a short-circuit current protection and over-temperature protection Size:As the picture shown Phone / speakerphone Can use the computer USB port 5V power supply High efficiency:90% But do not add heat sink and take less space Portable DVD players, game consoles Power on / off without pop noise Package Contents:10 x Amplifier Boards</p></div>