LM386 electret microphone amplifier board / microphone amplifier / without potentiometer DC4-12V
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Product DescriptionAdopt LM386 amplifying chip, the magnification can be adjusted between 20 times and 200 times through the adjustable resistor on the board, suitable for electret microphoneAvailable in potentiometer and non-potential versionsWith potentiometer can directly drive small power speakers: with potentiometerWorking voltage: DC 4V-12VBoard size: 20mm*20mm
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