This tiny MEMS microphone has an amplifier gain of 66. When there is no sound detected, it outputs voltage around 0.66xVCC. When speaking, you can easily get the acoustic waveform by ADC sampling. The module can be used on all kinds of 3.3V/5V main-controllers.

• Signal Type: Analog signal
• Power Supply: 3.3 V/ 5 V
• Directivity: All-round
• Sensitivity: -42 dB
• S/N Ratio: 59 dBA
• Frequency Range: 100 Hz~8 KHz
• Dimension: 18 x 12.5 mm/ 0.71 x 0.49 inches

Documents:

• Product wiki
  

Warranty: 90 days

• Warranty will not apply if Product fails or is damaged after delivery to you due to accident, abuse or misuse.

Package Includes:

• 1 x Fermion: MEMS Microphone Module 
• 1 x 2.54-3P Black Single Row Pin Header