Supply Voltage
2.7v-5.5v @ 3mA current
Output
2Vpp on 1.25V bias
Frequency Response
20Hz - 20KHz
Automatic gain, selectable max
from 40dB, 50dB or 60dB
Low Input-Referred Noise Density
30nV
Low THD
0.04% (typ)
 
Recources:
1. Interfacing MAX4466 Microphone Module with Arduino
2. Measuring Sound Levels
3.  Electret Microphone - detecting changes in ambient noise levels