Maximum output power:3W*2(5V 4┯)
PCB size:Length:30mm* Width:21mm(Overall height after installed is about 16mm.)
1.Please make sure the power supply is not more than 5.5V and please don’t do reverse polarity for ‘+’ and ‘-‘, or else, it will burn the board.
2.This PAM8403 Audio Amplifier board could be powered by USB Power supply.
5 x Amplifier Board
5Pcs Mini PAM8403 3Wx2 5V Dual Channel USB Power Audio Amplifier Board Volume Control
Shipping:Standard Shipping about 10-25 business days