INMP441 MEMS Omnidirectional Microphone Module 24-bit I²S
INMP441 MEMS Omnidirectional Microphone Module 24-bit I²S
INMP441 MEMS Digital Microphone Sensor Module — High-Precision, Low-Power, Omnidirectional
Capture clear, natural sound with the INMP441 MEMS Omnidirectional Microphone Sensor Module. Engineered for makers, engineers, and hobbyists alike, this compact digital output module delivers high-fidelity audio capture with an industry-standard 24-bit I²S interface — making integration into your next project straightforward and reliable.
Made in Mainland China.
Key Features
- High-Performance, Low-Power MEMS Technology: The INMP441 is a digital output, omnidirectional MEMS microphone with a bottom port, designed for excellent audio performance while consuming minimal power — ideal for battery-powered and embedded applications.
- Complete All-in-One Solution: Integrates a MEMS sensor, signal conditioning, analog-to-digital converter (ADC), anti-aliasing filter, and power management — all in a single module. Uses the industry-standard 24-bit I²S interface for seamless audio data transfer.
- Direct Connection to Digital Processors: The I²S interface allows direct hookup to DSPs, ESP32, Raspberry Pi, Arduino, and other microcontrollers — no audio codec required, simplifying your circuit design.
- Clear, Natural Sound with High SNR: Features a flat wideband frequency response for natural, uncolored audio reproduction. The high signal-to-noise ratio (SNR) makes this module excellent for near-field voice capture, voice recognition, and audio logging.
- Compact, RoHS-Compliant Surface-Mount Package: Housed in a slim 4.72 × 3.76 × 1 mm SMD package. Compatible with reflow soldering, maintains sensitivity without degradation, and is halogen-free — meeting the latest environmental and RoHS standards.
- CE Certified: Meets CE certification requirements for added confidence in quality and compliance.
Specifications
- Model: INMP441
- Interface: 24-bit I²S digital output
- Microphone Type: MEMS, omnidirectional
- Port: Bottom port
- Package Dimensions: 4.72 × 3.76 × 1 mm
- Certifications: CE, RoHS, Halogen-Free
- Package Contents: 1 × INMP441 Microphone Sensor Module Set
- Origin: Made in Mainland China
Ideal Use Cases
- Voice recognition and smart speaker projects
- IoT audio sensing and data logging
- Embedded DSP audio processing
- ESP32 / Arduino / Raspberry Pi audio input modules
- Near-field audio capture for DIY electronics
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Frequently Asked Questions
Q: What interface does the INMP441 microphone sensor module use?
A: The INMP441 uses an industry-standard 24-bit I²S digital interface, allowing it to connect directly to microcontrollers, DSPs, and single-board computers like the ESP32, Arduino, and Raspberry Pi without requiring an external audio codec.
Q: Is the INMP441 module compatible with reflow soldering?
A: Yes. The INMP441 is packaged in a 4.72 × 3.76 × 1 mm surface-mount package that is fully compatible with reflow soldering processes, with no degradation in sensitivity after soldering.
Q: Is this module RoHS and halogen-free compliant?
A: Absolutely. The INMP441 module is RoHS compliant and halogen-free, meeting current environmental and safety standards. It is also CE certified.
Q: What types of projects is the INMP441 sensor module best suited for?
A: This module is ideal for voice recognition systems, IoT audio sensing, near-field sound capture, embedded audio logging, and any DIY electronics project requiring a compact, high-quality digital microphone input.
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.