Catalog > Consumer Electronics > Kits > Various Kits Electret Microphone Amplifier Module Electret Microphone Adjustable Amplifier Module HKD MICROPHONE ADJ AMP MAX4466 Electret Microphone Adjustable Amplifier using MAX4466. Similar to Adafruit ID:1063 44.61 ZAR inc for 1 Each 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features This breakout is best used for projects such as voice changers, audio recording/sampling, and audio-reactive projects that use FFT. On the back, we include a small trimmer pot to adjust the gain. You can set the gain from 25x to 125x. Add an ear to your project with this well-designed which has excellent power supply noise rejection. Using is simple: connect GND to ground, VCC to 2.4-5VDC. For the best performance, use the "quietest"supply available (on an Arduino, this would be the 3.3V supply). For audio-reactive projects, we suggest using an FFT driver library which can take the audio input and 'translate' it into frequencies. You will get 2pcs GY-MAX4466 Electret Microphone Amplifier. Package includes: 1 X MAX4466 Electret Microphone Amplifier Module