{"product_id":"inmp441-mems-microphone-module-24bit-i2s-digital-esp32","title":"INMP441 MEMS Microphone Module 24-Bit I2S Digital for ESP32","description":"\n\u003ch2\u003eINMP441 Omnidirectional MEMS Microphone Module – 24-Bit I2S Digital Output for ESP32\u003c\/h2\u003e\n\u003cp\u003eUpgrade your electronics projects with the \u003cstrong\u003eINMP441 MEMS Microphone Sensor Module\u003c\/strong\u003e — a compact, high-precision, low-power digital microphone designed for seamless integration with ESP32, Arduino, and other I2S-compatible microcontrollers. Whether you're building voice-activated systems, audio recorders, industrial automation tools, or IoT smart devices, this module delivers clean, accurate digital audio output every time.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOmnidirectional pickup:\u003c\/strong\u003e Captures sound equally from all directions for versatile placement in any project enclosure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e24-bit high-precision audio:\u003c\/strong\u003e Delivers crystal-clear digital audio data with a wide dynamic range and minimal noise floor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI2S digital output:\u003c\/strong\u003e Direct digital signal output eliminates the need for an ADC, making integration straightforward and reliable.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-low power consumption:\u003c\/strong\u003e Ideal for battery-powered and portable IoT applications where efficiency matters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eESP32 ready:\u003c\/strong\u003e Fully compatible with ESP32 and other popular development boards — plug in and start coding in minutes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact form factor:\u003c\/strong\u003e Measuring just 1×1×1 cm (approx. 0.39×0.39×0.39 in), it fits into even the tightest project spaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Built with a plastic and metal housing for everyday workshop handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e MEMS (Micro-Electro-Mechanical System)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Interface:\u003c\/strong\u003e I2S Digital\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBit Depth:\u003c\/strong\u003e 24-bit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePickup Pattern:\u003c\/strong\u003e Omnidirectional\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 1×1×1 cm \/ 0.39×0.39×0.39 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic + Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible With:\u003c\/strong\u003e ESP32, and other I2S-enabled microcontrollers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTypical Applications:\u003c\/strong\u003e Industrial Automation, IoT Devices, Voice Recognition, Audio Recording\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e Not included \/ Not required (powered via host board)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × INMP441 MEMS Microphone Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVoice command \u0026amp; recognition systems\u003c\/li\u003e\n  \u003cli\u003eSmart home and IoT automation projects\u003c\/li\u003e\n  \u003cli\u003eIndustrial sound monitoring\u003c\/li\u003e\n  \u003cli\u003eAudio data logging and recording\u003c\/li\u003e\n  \u003cli\u003eMaker, hobbyist, and prototyping applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-scr-solid-state-relay-switch-module-dc3-24v-40a-optocoupler\"\u003e1-Channel SCR Solid State Relay Module DC3-24V 40A Optocoupler\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-8m-displayport-to-hdmi-cable-4k-dp-adapter-pc-hdtv-projector\"\u003e1.8M DisplayPort to HDMI Cable 4K – DP Adapter for PC \u0026amp; TV\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/usb-c-to-hdmi-cable-1-8m-4k-macbook-laptop-phone\"\u003e1.8M USB-C to HDMI Cable 4K – MacBook, Laptop \u0026amp; Phone\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Reference\u003c\/h3\u003e\n\u003cp\u003eFor broader guidance on MEMS microphone technology and sensor integration standards, visit the National Institute of Standards and Technology (NIST) — a trusted authority on measurement science and sensor technology.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePhotos may not reflect actual size — please refer to the specifications above for exact dimensions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow ±5–10 mm variance due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eColours shown in product images may vary slightly due to monitor settings, lighting, and display calibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the INMP441 MEMS Microphone Module compatible with ESP32?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The INMP441 module is specifically designed for I2S-compatible boards such as the ESP32. It outputs a clean 24-bit digital I2S signal that the ESP32 can read directly without requiring an external analog-to-digital converter (ADC), making setup simple and efficient.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between I2S digital output and analog output on a microphone module?\u003c\/h4\u003e\n\u003cp\u003eA: I2S (Inter-IC Sound) is a standard digital audio interface that transmits audio data in a serial digital format. Unlike analog microphone modules, an I2S digital output microphone like the INMP441 sends pre-converted digital audio directly to your microcontroller, resulting in less noise, greater precision (24-bit), and easier integration with modern development boards.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What projects is the INMP441 MEMS Microphone Module best suited for?\u003c\/h4\u003e\n\u003cp\u003eA: This module excels in voice recognition systems, smart home IoT devices, industrial sound monitoring, audio recorders, and any maker or prototyping project requiring high-precision, low-power digital audio capture. Its omnidirectional pickup makes it versatile for open-air or enclosed installations.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the INMP441 MEMS Microphone Module compatible with ESP32?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The INMP441 module is specifically designed for I2S-compatible boards such as the ESP32. It outputs a clean 24-bit digital I2S signal that the ESP32 can read directly without requiring an external analog-to-digital converter (ADC), making setup simple and efficient.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between I2S digital output and analog output on a microphone module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"I2S (Inter-IC Sound) is a standard digital audio interface that transmits audio data in a serial digital format. 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