INMP441 Omnidirectional Microphone Module

Product Description

The INMP441 Omnidirectional Microphone Module is a high-performance MEMS digital microphone featuring an I2S digital audio interface, making it an ideal choice for voice recognition, audio recording, and sound processing applications. Unlike traditional analog microphone modules, the INMP441 delivers high-quality digital audio with excellent noise immunity and low power consumption.

Its omnidirectional pickup pattern captures sound from all directions, making it suitable for smart home devices, voice-controlled systems, IoT applications, robotics, and embedded audio projects. The module is fully compatible with popular development boards such as ESP32, ESP8266 (with I2S support), STM32, Raspberry Pi, and other microcontrollers supporting the I2S protocol.

Whether you’re building a smart assistant, voice recorder, speech recognition system, or AI-based audio project, the INMP441 Omnidirectional Microphone Module offers reliable, high-quality digital sound capture in a compact form factor.

Key Features

• High-quality MEMS digital microphone
• Omnidirectional sound pickup
• I2S digital audio output
• Low noise and high sensitivity
• Excellent audio clarity
• Low power consumption
• Compact and lightweight design
• Stable digital signal with reduced interference
• Easy integration with I2S-compatible microcontrollers
• Ideal for voice and audio processing applications

Applications

• Voice Recognition Systems
• Smart Home Devices
• Voice-Controlled Automation
• IoT Projects
• ESP32 Audio Projects
• AI Voice Assistants
• Audio Recording Systems
• Speech Processing
• Robotics
• Sound Detection Projects
• DIY Electronics
• Embedded Audio Applications

Specifications

• Product Type: Digital MEMS Microphone Module
• Model: INMP441
• Microphone Type: Omnidirectional MEMS
• Output Interface: I2S Digital Audio
• Operating Voltage: 1.8V – 3.3V DC
• Current Consumption: Approximately 1.4mA
• Frequency Response: 60Hz – 15kHz
• Signal-to-Noise Ratio (SNR): 61dBA (Typical)
• Sensitivity: -26dBFS (Typical)
• Directionality: Omnidirectional
• Operating Temperature: -40°C to +85°C
• Compatible Boards: ESP32, STM32, Raspberry Pi, ESP8266 (I2S Supported), Arduino (with compatible I2S hardware)

Package Includes

• 1 × INMP441 Omnidirectional Microphone Module

Why Choose This Module?

The INMP441 Omnidirectional Microphone Module is an excellent solution for developers, students, and makers who need high-quality digital audio input for embedded systems. Its I2S interface, low power consumption, and excellent audio performance make it perfect for modern IoT devices, AI voice assistants, robotics, and smart automation projects. Whether you’re creating a voice-controlled system or an advanced audio processing application, the INMP441 provides reliable and crystal-clear sound capture.