PAM8403 2 Channel USB Power Audio Amplifier Module Board 3Wx2 Volume Control.
Specifications:
- Operating voltage: 2.5V-5.5V
- Maximum output power: 3W*2(5V 4Ω)
- Length: 29mm
- Width: 20mm
- Overall height after installed is about 16mm.
- Advanced microdevices
- Two-channel stereo
- Dual-panel wiring
- Full of energy, good sound quality.
- 5v power supply can output 3w +3 w power