Omnidirectional High Precision Low Power Ultra‑Small Size MS3625 INMP441 I2S Digital Microphone Module – the perfect audio solution for ESP32 and Arduino projects. Designed for maximum performance in the smallest footprint, this module delivers crystal‑clear sound with minimal power consumption.
Product Highlights
- Ultra‑compact 3.3 mm × 3.3 mm footprint – ideal for space‑constrained designs
- Low‑noise, high‑dynamic‑range INMP441 MEMS microphone – 80 dB SNR, 70 dB THD
- Digital I²S interface – eliminates analog front‑end and reduces EMI
- Low power consumption – 1.5 mA typical at 3.3 V, perfect for battery‑powered devices
- Omnidirectional pickup pattern – captures sound from all directions with uniform sensitivity
- Integrated 1.8 V to 3.3 V supply compatibility – easy to power from ESP32 or Arduino
- Robust PCB layout with 4‑layer design – ensures signal integrity and minimal crosstalk
- Ready‑to‑use with minimal wiring – 4-pin header (VCC, GND, SDA, SCL) or 6‑pin (VCC, GND, DIN, DOUT, WS, BCK)
- Certified for automotive, consumer electronics, and industrial applications
Why Choose the MS3625 INMP441 Module?
Whether you’re building a voice‑controlled gadget, a hands‑free speaker, or a smart sensor network, this module offers unmatched performance in a tiny package. Its digital I²S output eliminates the need for external ADCs, simplifying your firmware and reducing overall system cost. The low‑power design keeps your device running longer on a single battery, while the high‑precision MEMS sensor ensures accurate audio capture even in noisy environments.
Easy Integration
Compatible with popular development boards such as the ESP32, ESP8266, Arduino Uno, and Arduino Nano. Connect the 4‑pin header directly to your microcontroller’s I²S pins or use the 6‑pin variant for full I²S support. Firmware libraries are available for Arduino IDE and ESP-IDF, making it simple to get started within minutes.
Applications
- Voice assistants and smart home devices
- Hands‑free communication modules
- Audio recording and playback systems
- Environmental monitoring and acoustic sensing
- Wearable audio accessories
Upgrade your audio projects with the Omnidirectional High Precision Low Power Ultra‑Small Size MS3625 INMP441 I2S Digital Microphone Module – the ultimate choice for precision, efficiency, and compact design.
Price: Original price was: $ 4.46.$ 2.19Current price is: $ 2.19.

