AD828 Stereo Dynamic Microphone Preamplifier Module

Ultra-small volume dynamic microphone preamplifier board,two-channel design,suitable for a single lithium battery-powered,using AD828 fever op amp chip,suitable for low voltage power supply (3.7-15V).

Note:This microphone amplifier board without power regulator circuit,can only use the battery or linear power supply,can not use switching power supply,otherwise there will be interference.

If you only used one channel,the other channel needs to short-circuit the input with GND,To avoid interference with the signal crosstalk.

Specification:

• Item Type: Preamplifier Board
• Material: PCB
• Model: AD828
• Working Voltage: DC 3.7-15V