Description:
 Board size: 30mm*25mm 
  Operating voltage:DC3.6V to 12V 
  AGC switch: when you don't answer the jumper cap, AGC function is open, connected to the jumper cap is closed (with a jumper cap) 
  Package Include: 
  1 x MAX9814 Electret Microphone Amplifier Board Module With AGC Function DC 3.6-12V 
  
 
 



