LM386 amplifier chip is used, the amplification can be adjusted between 20 times and 200 times by the adjustable resistor on the board, which can directly drive small power speakers, suitable for electret microphone.
Features:
1. Can drive headphones and small power speakers
2. Using LM386 amplifier chip
3. Exquisite and compact product
4. Simple and convenient operation
Product description: LM386 amplifier chip is used, the amplification can be adjusted between 20 times and 200 times by the adjustable resistor on the board, which can directly drive small power speakers, suitable for electret microphone.
Product parameters:
Working voltage: DC 4v-12v
Chip: LM386
Specifications: Module version / Volume adjustment version
Shipping list:
Module X2