Sell BARRY New LCD PAM8403 DC 5V Class-D Audio Module 5Pcs 2*3W USB Power Mini Digital Amplifier Board/Multicolor best price

<div><p>Speaker With:4-8ohms recommended:4 ohms Size:21 x 18 x 3.4mm(L x W x H) Application:LCD TVs, monitors,Laptop,Portable Speakers,DVD players, Game consoles,Phone / speakerphone Operating voltage: 2.5V-5.5V Net weight:1g Speaker Power :2-8W Color:As the pics show Package include:5 x amplifier board Can use the computer USB port 5V power supply or using a mobile phone charger USB port 5V power supply battery power can also be used high efficiency:90% 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% D class amplifier is highly respected today D class amplifier efficiency is high, not because of temperature affect the sound quality but do not add heat sink and take less space noise canceling circuit was built in the amplifier board power on / off without noise module has a short-circuit current protection and over-temperature protection</p></div>