This MAX9814 microphone amplifier module support DC 3V to 12V wide voltage input with auto gain control function perfect for hearing aids, conference microphone, megaphone.

Specifications:
Working Voltage: DC3.6-12V
Module Size: 30X25mm/1.18X0.98inch(L*W)

With AGC (automatic gain control) function for hearing aids, conference microphone, loudspeaker and other devices. The output can directly drive an ordinary 32Ohm headphones (if you need more output, it is necessary at the output terminal plus the amplifier or preamplifier ) (18650 suitable for single cell or battery-powered mobile phone use)

Note:
Plug the jumper cap, the AGC function will be closed.

Package Included:
1X MAX9814 Microphone Amplifier Module

• MAX9814 microphone amplifier board
• Auto gain control function, support turning on or off by the jumper cap
• Compatible with hearing aids, conference microphone, megaphone
• Working Voltage:3.6V-12V
• Module Size:30X25mm/1.18X0.98inch(L*W)

MAX9814 microphone amplifier boardQianson