ITEM NAME:DC 5V-12V LM386 electret microphone power amplifier`board gain 200 times mic TE 100% Brand New and High Quality 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 * 20mm Package Included: 1 x LM386 Headphone Amplifier Board.Find many great new & used options and get the best deals for DC 5V-12V LM386 electret microphone power amplifier`board gain 200 times mic TE at the best online prices at shop2india!
