INMP441 High Precision Omnidirectional Microphone Module is a high-performance digital MEMS microphone designed for capturing clear and accurate sound. Based on the INMP441 MEMS sensor, this module uses the I2S (Inter-IC Sound) interface to deliver high-quality audio data directly in digital format, eliminating the need for an external ADC.
It is highly sensitive, omnidirectional, and compact, making it an excellent choice for voice recognition, smart speakers, sound detection systems, and IoT audio applications. The module is compatible with popular development boards like ESP32, Raspberry Pi, and Arduino (with I2S support).
Its low power consumption, wide dynamic range, and excellent signal-to-noise ratio (SNR) ensure reliable performance in both DIY and professional audio projects.
Features & Details:
- Based on INMP441 MEMS microphone sensor.
- Omnidirectional microphone for 360° sound capture.
- Digital output via I2S interface (no ADC required).
- High Signal-to-Noise Ratio (SNR) ~61 dBA.
- Wide frequency response: 60 Hz – 15 kHz.
- Low power consumption, suitable for battery-powered devices.
- Compact size for easy integration.
- Works with ESP32, Raspberry Pi, and I2S-supported MCUs.
Applications:
- Voice recognition and AI assistants.
- Smart speakers and IoT audio devices.
- Acoustic environment monitoring.
- Audio recording and sound analysis.
- Educational and DIY projects.
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