Q-BAIHE MAX9814 Microphone Amplifier Module Audio AGC Microphone Sensor Pickup MIC Microphone Sound

Module specifications: 1. Automatic gain control (AGC) 2. Three gain settings (40dB, 50dB, 60dB) 3. Start time can be set 4. The start and release ratio can be set 5.2.7V to 5.5V supply voltage range 6. The input reference noise density reaching 30nHz is as low as 0.04% (typical) THD 7. Internally provides low noise microphone bias 2V 8. Extended temperature range from -40? to +85? 9.Module size: 41X49mm Packing: 1*MAX981 amplifier module