Description:
Working Voltage 3V ~ 5V
Max Output Power: 3W+3W
Size:30 x 22 x 16mm/1.18 x 0.86 x 0.63inch(LxWxH)

Feature:
1. You can use USB port on computers to offer 5V power supply for the amplifier board
2. Potentiometer with switch, can adjust the volume and control the power switch
3. Suitable for battery or portable electronics products,suitable for long time steady usage

Note:
1. Please make sure operating voltage less than 5.5V, or the module will be damaged
2. Without reversed connection protection, meaning the module will burn if wires are connected reversely
3. Please note that do NOT connect to power if you do have the speaker connected, or will wreck the module

Package Included:
6 x PAM8403 3W+3W Digital Power Amplifier Board
6 x Knob Cap
3 x 3.5mm Audio Jack Cable