This audio amplifier module is based on LM386 chip. It has a gain value up to 20.
The module includes speaker terminal blocks, a power led indicator and 10K adjustable resistance, so you can adjust the volume of amplification.
Working voltage: 5 ~ 12V
Size : 41 (mm) x13 (mm)
- GND: Ground
- VCC: Voltage supply (5:12V)
- IN: Audio signal
- Terminal: Speaker
- 1 X Audio Amplifier Module (LM386-Adjustable Gain)