Audio Amplifier

If your project needs an audio amplifier, this module should be useful. It is a miniature module for amateur projects. Simply connect a 4-8 Ohm speaker and amplify your sound. It can be used with the FM receiver kit or WTV020SD-16P music module. You can definitely use this module for other musical projects also. The chip pin leads can directly input audio signal.

Onboard LM386 Chip.

1. 200 multiplier benefits circuit design.

2. On-board speaker wiring Block.

3. On-board 10K variable resistor, you can adjust the volume of the enlarged.

4. Onboard power indicator.