ACROBOTIC MAX4466 Electret Microphone Amplifier w/Adjustable Gain Breakout Board for Arduino Raspberry Pi ESP8266 Mic Module
Add sound detection to your projects with the fantastic MAX4466 electret microphone amplifier
Simply connect GND to ground, VCC to 2.4~5VDC, and OUT to an analog input of your microcontroller or audio equipment (you'll need an adequate amplifier to drive speakers)
Operating voltage of 2.5~5VDC; perfect for voice changers, audio recording/sampling, and audio-reactive projects that use FFT
Easy to use on a breadboard with the included 3-pin header