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Product Characteristics:
High-precision 24-bit data digital I2S interface
High signal-to-noise ratio of 61 dBA
High sensitivity -26 dBFS
Stable frequency response from 60Hz to 15kHz
Low power consumption: Low current consumption 1.4 mA
High PSR: -75 dBFS
Module size: 14mm * 14mm/0.55inch * 0.55inch (D * D)
- Interface Definition:
- SCK: Serial data clock of I2S interface
- WS: Serial Data Word Selection for I2S Interface
- L/R: Left/Right channel selection
- Set to low battery level, the microphone outputs signal on the left channel of the I2S frame
- Set to a high level, the microphone outputs a signal on the right channel The serial data output of SD: I2S interface
- This product provides a tutorial on using the ESP32 module with the I2S function
- INMP441 ESP32 Development Board
- SCK >> GPI014
- SD >> GPIO32
- WS >> GPI015
- L/R >> GND
- GND >> GND
RichSad
2025-08-17 12:36:21
Just great INMP441 digital mics. All of the mics worked properly. I've also purchased INMP441's from China where only half of them worked. The INMP441 is an I2S mic that produces very good sound quality. The INMP441 supports stereo or mono inputs. I use these with audio reactive WLED projects often. I've probably gone through 25 or so of this model mic recently.
Tim
2025-08-12 13:45:02
Using these as microphones on ESP32 development boards running WLED. Can detect frequencies and sound levels for sounds controlled effects.
Irv
2025-07-15 18:44:44
No issues so far.
Matthew withy
2025-06-29 12:32:41
I got these for some WLED projects and they work great this was the second lot I purchased. great buy
Joseph Bailey
2025-05-24 18:03:16
Used these to make a sound reactive wled module. Man if it's quiet in the room it will register me tapping my fingers on the desk lightly in my office down the hall. One thing I will say, it's a tight space so soldering it isn't for the faint of heart. And I probably wouldn't have tried it had I known about ledfx first....
Allgood Automation
2025-02-14 21:36:24
I Tried an Analog Mic But it didn't work at all. This one worked right off and is very sensitive.
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