Function:
1. Flexible and Adjustable: LM386 power amplifier chip, adjustable resistance on the board allows you to adjust the magnification between 20x and 200x and drive the small power horn directly, suitable for use with electret microphone.
2. EASY TO USE: The electret mic amplifier module supports GND grounded and VCC connected to 2.4‑5VDC For good performance, use the quietest power available (this is a 3.3V power supply).
3. Power noise suppression function: The amplifier has excellent power supply noise suppression function, the working voltage is DC 4V-12V.
4. Scratch-resistant ABS: The microphone amplifier module adopts superior ABS material, shockproof, scratch-resistant, and environmentally friendly.
5. Total 5 pieces: Package includes 5 amplifier modules in total, enough to replace and use, very convenient.
Specifications:
Item Type: Electret Mic Amplifier Module
Model: LM386
Material: ABS
Operating Voltage: DC 4V -12V
Package List:
5 x Electric Microphone Amplifier Module
Note:
Please pay attention to the standard operation.