Feature

●FLEXIBLE AND ADJUSTABLE: LM386 power amplifier chip, the magnification can be adjusted between 20 times and 200 times due to the adjustable resistance on the board, can directly drive a small power horn, suitable for the use of electret microphone.
●EASY TO USE: The electret microphone amplifier module supports GND grounding, VCC connected to 2.4-5VDC; For good performance, use the quietest power supply available (it will be 3.3V power supply).
●POWER SUPPLY NOISE SUPPRESSION FUNCTION: The amplifier has good power noise suppression, supports DC 4V-12V working voltage.
●SCRATCH RESISTANT ABS: The microphone amplifier module adopts excellent ABS material, has impact resistance, scratch resistance and is environmentally friendly.
●5 Pieces in Total: the package contains a total of 5 amplifier modules, enough for you to replace and use, very convenient.


Description

Specification:
Item Type: Electret Microphone Amplifier Module
Model No.: LM386
Material: ABS
Operating voltage: DC 4V-12V.

Package list:
5 electret microphone amplification modules

Note:
Pay attention to the standard operation.