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Voice Module

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LM386 200 gain of audio amplifier module

 
LM386 200 gain of audio amplifier module
 

1,Onboard LM386 chip

2,200 a gain of circuit design

3, on-board speaker wire holder

4 board 10K adjustable resistance, the volume can be adjusted to enlarge

5 onboard power indicator

6, the main chip's pin leads directly to the input audio signal

7, the operating voltage: 5 ~ 12V

8, board size: 40.7 (mm) x13.7 (mm)