{"product_id":"max4466-microphone-agc-amplifier-sound-sensor-module-diy-kit","title":"MAX4466 Microphone AGC Amplifier Sound Sensor Module DIY Kit","description":"\u003ch2\u003eMAX4466 Microphone AGC Amplifier Board – Sound Sensor Module\u003c\/h2\u003e\n\u003cp\u003eTake your DIY electronics projects to the next level with the \u003cstrong\u003eMAX4466 Microphone AGC Amplifier Board\u003c\/strong\u003e. This compact, high-performance sound sensor module features an integrated Auto Gain Control (AGC) amplifier chip and an electret condenser microphone, making it the perfect building block for voice recognition systems, audio sampling, music visualizers, IoT voice interfaces, and more. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Fidelity Sound Capture:\u003c\/strong\u003e Premium electret condenser microphone with a permanent electret material diaphragm captures the full audible frequency range (20Hz–20kHz), converting sound pressure into stable, low-distortion electrical signals for accurate audio data.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Gain Amplification:\u003c\/strong\u003e Powered by the MAX4466 low-power operational amplifier chip, this module supports a \u003cstrong\u003e25x to 125x adjustable gain range\u003c\/strong\u003e with rail-to-rail output — ideal for both line-level audio input and microcontroller ADC sampling without signal clipping.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStrong Anti-Interference Performance:\u003c\/strong\u003e Gold-plated contact PCB with built-in ferrite noise suppression delivers an impressive \u003cstrong\u003e112dB power supply rejection ratio\u003c\/strong\u003e and \u003cstrong\u003e126dB common mode rejection ratio\u003c\/strong\u003e, filtering out ripple and environmental interference for stable, reliable output in complex environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Standard 3-pin (VCC, GND, OUT) header interface with a wide \u003cstrong\u003e2.4V–5.5V input voltage range\u003c\/strong\u003e — directly compatible with 3.3V and 5V development boards (Arduino, Raspberry Pi, ESP32, STM32, etc.) without extra peripheral circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Power Consumption:\u003c\/strong\u003e Micro-power circuit design with only \u003cstrong\u003e24μA static operating current\u003c\/strong\u003e, making it ideal for battery-powered portable projects and long-term audio monitoring or voice interaction applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronic Sensor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMAX4466 AGC Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicrophone Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectret Condenser\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20Hz – 20kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGain Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25x – 125x (Adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.4V – 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStatic Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24μA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePSRR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e112dB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCMRR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e126dB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePCB\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGold-Plated (ENIG)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-Pin Header (VCC, GND, OUT)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1× Sensor Module + 1× Set of 3-Pin Headers\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVoice recognition systems\u003c\/li\u003e\n  \u003cli\u003eSound-activated switches\u003c\/li\u003e\n  \u003cli\u003eDecibel monitoring devices\u003c\/li\u003e\n  \u003cli\u003eAudio recording and sampling\u003c\/li\u003e\n  \u003cli\u003eMusic visualizer projects\u003c\/li\u003e\n  \u003cli\u003eIoT voice interaction equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePhotos are for illustration purposes only; please refer to the description for size details.\u003c\/li\u003e\n  \u003cli\u003eMinor measurement differences may occur due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eActual color may vary slightly from images due to monitor differences.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the MAX4466 Microphone AGC Amplifier Board compatible with Arduino and Raspberry Pi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The MAX4466 sound sensor module features a standard 3-pin (VCC, GND, OUT) header and supports a wide 2.4V–5.5V input range, making it directly compatible with 3.3V and 5V development boards including Arduino, Raspberry Pi, ESP32, and STM32 — no extra circuitry required.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I adjust the gain on this microphone amplifier module?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The integrated MAX4466 AGC amplifier chip supports an adjustable gain range of 25x to 125x. You can tune the gain via the onboard trimmer potentiometer to match your specific application, whether it's line-level audio input or microcontroller ADC sampling.\u003c\/p\u003e\n\u003ch4\u003eQ: What makes this sound sensor module suitable for battery-powered projects?\u003c\/h4\u003e\n\u003cp\u003eA: The MAX4466 module is built on a micro-power circuit design with a static operating current of just 24μA. This extremely low power draw makes it well-suited for battery-powered portable projects, long-term audio monitoring setups, and IoT voice interaction devices where battery life is critical.\u003c\/p\u003e\n\u003ch4\u003eQ: What is included in the package?\u003c\/h4\u003e\n\u003cp\u003eA: Each order includes 1× MAX4466 microphone AGC amplifier sensor module and 1× set of 3-pin headers, ready for soldering and integration into your DIY electronics project.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the MAX4466 Microphone AGC Amplifier Board compatible with Arduino and Raspberry Pi?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The MAX4466 sound sensor module features a standard 3-pin (VCC, GND, OUT) header and supports a wide 2.4V–5.5V input range, making it directly compatible with 3.3V and 5V development boards including Arduino, Raspberry Pi, ESP32, and STM32 — no extra circuitry required.\"}}, {\"@type\": \"Question\", \"name\": \"Can I adjust the gain on this microphone amplifier module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. 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