INMP441 MEMS Microphone Module

INMP441 MEMS Microphone Module is a compact, high-performance digital microphone module designed for applications requiring clear audio capture, low noise, and reliable digital output. Based on the popular INMP441 MEMS microphone sensor, this module features I2S digital interface, making it ideal for direct integration with microcontrollers, DSPs, and embedded systems without the need for additional analog-to-digital converters.

Engineered for modern audio and voice-based applications, the INMP441 offers excellent sound quality, high signal-to-noise ratio, and low power consumption. Its small form factor and simple interface make it a preferred choice for IoT devices, voice assistants, smart speakers, audio recording systems, and wearable electronics.

Key Features of INMP441 MEMS Microphone Module

• Digital I2S Output Interface
  Eliminates the need for external ADCs, enabling direct digital audio streaming to microcontrollers and processors.

• High Signal-to-Noise Ratio (SNR)
  Provides clean and accurate audio capture, ideal for voice recognition and audio processing applications.

• Low Power Consumption
  Optimized for battery-powered and energy-efficient devices.

• Compact & Lightweight Design
  Small PCB size makes it suitable for space-constrained embedded projects and portable electronics.

• Wide Frequency Response
  Accurately captures human speech and environmental sounds with clarity.

• Configurable Channel Selection
  Supports left or right channel selection, enabling stereo audio configurations using multiple modules.

• Excellent EMI Immunity
  Digital output minimizes noise interference compared to analog microphones.

Technical Specifications – INMP441 MEMS Microphone Module

• Microphone Type: MEMS Digital Microphone

• Model: INMP441

• Interface: I2S (Digital Audio Output)

• Directionality: Omnidirectional

• Signal-to-Noise Ratio (SNR): 61 dB

• Sensitivity: –26 dBFS (±1 dB)

• Frequency Response: 60 Hz to 15 kHz

• Operating Voltage: 1.8 V to 3.3 V

• Current Consumption: Low-power operation (≈1.4 mA typical)

• Output Format: 24-bit I2S data

• Channel Select: Left / Right configurable

• Operating Temperature: –40°C to +85°C

• PCB Interface: Pin headers for easy breadboard or PCB mounting

Note: Electrical characteristics may slightly vary depending on usage conditions.

Applications of INMP441 MEMS Microphone Module

The INMP441 MEMS Microphone Module is widely used in both commercial and DIY electronics projects where high-quality digital audio input is required.

• Voice Recognition Systems
  Perfect for smart assistants, speech-controlled devices, and voice command interfaces.

• IoT & Smart Home Devices
  Used in smart speakers, home automation systems, and connected appliances.

• Audio Recording & Processing
  Suitable for digital audio capture, sound level measurement, and audio analytics.

• Wearable Electronics
  Compact size and low power consumption make it ideal for fitness trackers and smart wearables.

• Robotics & AI Projects
  Enables sound detection, voice interaction, and environmental audio sensing in robotic systems.

• Educational & Research Projects
  Commonly used in engineering labs, embedded systems courses, and prototyping platforms.

• Noise Monitoring Systems
  Effective for sound detection, ambient noise monitoring, and acoustic analysis.

Compatibility & Integration

The INMP441 MEMS Microphone Module is compatible with popular microcontrollers and development boards, including Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and other I2S-enabled platforms. Its digital output ensures stable and accurate data transfer, making software integration straightforward for both beginners and professionals.

Why Choose the INMP441 MEMS Microphone Module?

The INMP441 stands out for its digital I2S interface, excellent audio clarity, compact design, and ease of integration. Unlike analog microphone modules, it offers improved noise immunity and consistent performance, making it suitable for advanced audio applications. Whether you are developing a commercial product or experimenting with DIY audio projects, this module delivers dependable results.

Upgrade your audio capture system with the INMP441 MEMS Microphone Module and experience high-quality digital sound performance in a compact and reliable form factor.

Package Includes:

1 x INMP441 MEMS High Precision Omnidirectional Microphone Module

FAQ

1. Where can we buy this INMP441 MEMS Microphone Module?

This product is available online https://aiiottech.in/product/650nm-5nw-red-point-laser-module/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103

2. When can I get this INMP441 MEMS Microphone Module after placing the order?

RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.

Video Link: The Ultimate I2S MEMS Mic for ESP32 Projects