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20 times gain Audio Amplifier Module LM386
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1, onboard LM386 chip
2, 20 times gain circuit design
3, onboard horn wiring base
4, onboard 10K adjustable resistance, adjustable amplification volume
5, onboard power indicator
6, chip main pin has drawn, directly enter the audio signal
7, working voltage: 5 ~ 12V
8, board size: 41 (mm)*13 (mm)

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