HiLetgo 5pcs LM386 Mini Electret Microphone Amplifier Board Microphone AMP Amplifier DC 4V-12V
Product ID: 542118021
Description
Description: Adopt LM386 amplifying chip, the magnification can be adjusted between 20 times and 200 times through the adjustable resistor on the board, suitable for electret microphone. Adjusting potentiometer can drive small power speakers directly. Working voltage: DC 4V-12V; Board size: 20mm*20mm. Package included: 5* LM386 Mini Electret Microphone Amplifier Boards
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