MAX9814 Microphone AGC Amplifier Board Module Auto Gain Control for Arduino

1. Supply Voltage: 2.7v-5.5v @ 3mA current
2. Output: 2Vpp on 1.25V bias
3. Frequency Response: 20Hz - 20 KHz
4. Programmable Attack and Release Ratio
5. Automatic gain, selectable max from 40dB, 50dB or 60dB
6. Low Input-Referred Noise Density of 30nV/
7. Low THD: 0.04% (typ)