- Operating Voltage: 2.5 to 5.5V
- Maximum Output: 3Wx2 (5V 4ohms)
- Efficiency: 90%
- Dimensions: 30mm x 22mm x 16mm
The PAM8403 is a 3W class-D audio amplifier. The 3W output is at 10% THD with a 4ohm load and 5V power supply. This breakout board is equipped with a potentiometer for volume adjustments.