WWZMDiB 2Pcs INMP441 Omnidirectional MEMS Microphone Module I2S Compatible With ESP32 The INMP441 is a high performance, low power, digital output, omnidirectional MEMS microphone with bottom port Digital I2S interface with high precision 24-bit data High signal-to-noise ratio of 61 dBA High sensitivity - 26 dBFS Low power consumption: low current consumption 1.4 mA