INMP441 MEMS Omnidirectional I2S Microphone Module for ESP32
INMP441 MEMS Omnidirectional Microphone Module with I2S Interface
Upgrade your ESP32 or other microcontroller projects with the INMP441 MEMS Omnidirectional Microphone Module. Engineered for makers, hobbyists, and electronics engineers, this compact digital microphone delivers exceptional audio clarity, ultra-low power draw, and seamless I2S digital integration — all in a remarkably small footprint. Made in Mainland China.
Key Features
- High-Performance Audio: Outstanding signal-to-noise ratio and an extended frequency response range ensure clear, accurate audio capture for recording, voice recognition, and calling applications.
- True Omnidirectional Pickup: Captures sound evenly from all directions — no need to point toward a sound source, making it ideal for smart assistants, conferencing modules, and ambient recording.
- Ultra-Low Power Consumption: Designed with energy efficiency in mind, the INMP441 is perfectly suited for battery-operated and always-on devices like portable audio gadgets and IoT voice modules.
- Direct I2S Digital Output: Connects directly to ESP32, STM32, and other processors via the I2S interface with no additional hardware components required, simplifying circuit design and integration.
- Compact MEMS Design: Its ultra-small form factor makes installation straightforward in space-constrained enclosures and embedded electronics projects.
Specifications
- Model: INMP441
- Interface: I2S Digital Output
- Polar Pattern: Omnidirectional
- Compatible With: ESP32, STM32, and other I2S-capable processors
- Material: Plastic + Metal
- Quantity: 1 piece
- Country of Origin: Made in Mainland China
What's in the Box?
- 1 × INMP441 MEMS Omnidirectional Microphone Module
Great for Use With
Pair this microphone module with other electronics and maker tools from our store. If you're building out your workspace, check out the 105° Right Angle Driver with 1/4" Hex Screwdriver Bit for precise assembly work, or the 1/2" Drive 8-Piece Hex Short Socket Set – Vanadium Steel for your electronics workbench toolkit.
Note: Product images are for illustration purposes. Actual color may vary slightly between monitors. Please allow minor dimensional differences due to manual measurement.
Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: Is the INMP441 microphone module compatible with the ESP32?
A: Yes! The INMP441 MEMS microphone module features a direct I2S digital output interface, making it fully compatible with the ESP32 and other I2S-capable microcontrollers such as STM32. No additional hardware components are needed for integration.
Q: What makes the INMP441 omnidirectional microphone suitable for smart home or IoT projects?
A: The INMP441 combines ultra-low power consumption, omnidirectional sound pickup, and a compact MEMS form factor — all essential qualities for always-on IoT voice recognition devices, smart assistants, and wireless audio applications where battery life and board space are at a premium.
Q: Does this microphone module require external components to work?
A: No external hardware components are required. The INMP441 outputs a clean I2S digital audio signal directly, so it can interface with your processor's I2S port with minimal circuitry — ideal for clean, noise-free audio capture in your DIY electronics projects.
Production & Packaging Notice
To 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.