Operating voltage: 2.5V-5.5V
Maximum output power: 3W x 2(5V 4ohms)
PCB size :
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.
Dimensions 1.38 in x 1.18 in x 0.59 in (3.5 cm x 3 cm x 1.5 cm)
Weight 0.28 oz (8 g)