{"product_id":"gy-max4466-electret-microphone-amplifier-module-adjustable-gain-2-4-5-5v-arduino","title":"GY-MAX4466 Electret Microphone Amplifier Module — Adjustable Gain, 2.4–5.5V, Arduino","description":"\u003ch2\u003eGY-MAX4466 Electret Microphone Amplifier Module — Adjustable Gain, 2.4–5.5V\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eGY-MAX4466 module\u003c\/strong\u003e uses the Maxim MAX4466 microphone amplifier IC with a built-in electret microphone capsule — providing a ready-to-use analog audio output that connects directly to an Arduino ADC pin. An on-board trimmer potentiometer adjusts the gain from 25× to 125× (28–42dB), allowing sensitivity tuning for different acoustic environments. The MAX4466 operates from 2.4V to 5.5V, making it compatible with both 3.3V and 5V microcontrollers.\u003c\/p\u003e\n\n\u003ch3\u003eModule Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmplifier IC:\u003c\/strong\u003e MAX4466\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMicrophone:\u003c\/strong\u003e Built-in electret capsule\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGain Range:\u003c\/strong\u003e 25× to 125× (adjustable via trimmer)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e Analog audio (AC-coupled, centered at VCC\/2)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2.4V – 5.5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Current:\u003c\/strong\u003e ~100μA (ultra-low power)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 20Hz – 20kHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Pins:\u003c\/strong\u003e VCC, GND, OUT (analog)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eArduino Sound Level Reading\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVCC → 3.3V\/5V | GND → GND | OUT → A0\u003c\/li\u003e\n  \u003cli\u003eOutput is centered at VCC\/2 — read multiple samples and find peak-to-peak amplitude\u003c\/li\u003e\n  \u003cli\u003eAdjust trimmer for desired sensitivity before use\u003c\/li\u003e\n  \u003cli\u003eUse with FFT library for frequency analysis\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMAX4466 vs MAX9814 vs INMP441\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMAX4466 (this module):\u003c\/strong\u003e Analog output, adjustable gain, simple — for basic sound level and clap detection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMAX9814:\u003c\/strong\u003e Auto gain control (AGC), analog output — for voice recording with varying volumes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eINMP441:\u003c\/strong\u003e I²S digital output, high quality — for ESP32 audio processing and speech recognition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eArduino sound level meter\u003c\/li\u003e\n  \u003cli\u003eClap switch and sound-activated trigger\u003c\/li\u003e\n  \u003cli\u003eVoice activity detection\u003c\/li\u003e\n  \u003cli\u003eAudio spectrum analyzer (with FFT)\u003c\/li\u003e\n  \u003cli\u003eNoise level monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eGY-MAX4466 microphone amplifier module — adjustable gain 25–125×, 2.4–5.5V, analog output for Arduino sound detection, audio level, and clap switch projects.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991440773355,"sku":"\u003cnone\u003e","price":5.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/gy-max4466-electret-microphone-amplifier-module.webp?v=1761807728","url":"https:\/\/keszoox.com\/products\/gy-max4466-electret-microphone-amplifier-module-adjustable-gain-2-4-5-5v-arduino","provider":"Keszoox","version":"1.0","type":"link"}