INMP441 I2S MEMS Microphone Module

Add digital audio input to a compatible microcontroller project. This INMP441 module combines an omnidirectional MEMS microphone with an I2S output interface.

✅ Connect digital audio directly - The I2S interface works with compatible processors without a separate external audio codec.

✅ Choose the I2S channel - The L/R pin selects the left or right output slot.

✅ Keep the audio input compact - The small module format suits embedded electronics projects.

Match Supply Voltage and I2S Configuration

The module operates from 1.8-3.3 V and uses SCK, WS and SD signals for its I2S connection. Compatible ESP32 or other microcontroller projects require the correct wiring and firmware configuration.

Keep the bottom microphone port clear and design the enclosure around the sound path. This is an electronic module, without a development board, firmware or a finished recording system.

Technical details

• INMP441 omnidirectional MEMS microphone
• 24-bit I2S output
• 1.8-3.3 V supply
• SCK / WS / SD interface
• L/R channel-selection pin
• For compatible digital-audio projects

Add a digital sound input to your next matched electronics build.