aiqinhaimaoyi DC 5V-12V LM386 electret microphone power amplifier board gain 200 times mic amp
aiqinhaimaoyi DC 5V-12V LM386 electret microphone power amplifier board gain 200 times mic amp
LM386 amplifier chip, the magnification can be adjusted by the board above the adjustable resistance between 20 times to 200 times, you can directly drive low-power speakers for the use of electret microphone. Operating voltage: DC 4V-12V. Board size: 20mm x 20mm. Package Included: 1 x LM386 Headphone Amplifier Board. LM386 amplifier chip, the magnification can be adjusted by the board above the adjustable resistance between 20 times to 200 times, you can directly drive low-power speakers for the use of electret microphone. Operating voltage: DC 4V-12V. Board size: 20mm x 20mm. Package Included: 1 x LM386 Headphone Amplifier Board
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