About this item

• Microphone amplifier board supports two power supply voltages: 3.3V and 5V.
• Microphone sensor has separate pins for both analog and digital output, default output is analog .
• Add an ear to your project with this well-designed microphone amplifier.
• Microphone module has high sensitivity, fixed gain is 20dB.
• This module uses professional microphone amplification IC, low output noise.