Adafruit Industries - 1713 - Electret Microphone Amplifier - MAX9814 with Auto Gain Control - RS
Electret Microphone Amplifier - MAX9814 with Auto Gain Control — PMD Way
5pcs MAX9814 High Performance Microphone AGC Amplifier Module CMA-4544PF-W
Amazon.com: WWZMDiB MAX9814 High Performance Microphone AGC Amplifier Module Automatic gain Control CMA-4544PF-W : Electronics
Amazon.com: MAX9814 Electret Microphone Amplifier Board Module MIC Auto Gain Max 40dB/50dB/60dB Frequency 2.7V-5.5V with Pins for Arduino : Electronics
Arduino & MAX9814 – Getting Started!
Amazon.com: MAX9814 Microphone AGC Amplifier Board Module Auto Gain Control for Arduino Programmable Attack and Release Ratio Low THD : Electronics