PAM8403 digital amplifier board2*3W Class D

Input voltage: 2.5-5V (can’t be more than 5.5V, otherwise it will burn the ICs on board)
It could work with 4 Ohm and 8 ohm Speaker.
Output power: 2 channels x 3W

Note:

The left and right channel output of “negative” cannot be connected together,
Otherwise it will burn the IC