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

• The INMP441 has a high signal-to-noise ratio of 61dBA, making it an excellent choice for near-field applications
• INMP441 has a flat broadband frequency response, resulting in high sound clarity

Specifications

Common questions