Advanced Audio Technology: This MEMS microphone module is equipped with an ICS-43434 I2S interface to high-quality audio capture, making it ideal for a variety of DIY audio projects. Low Power Consumption: The module operates at 1.5V - 3.6V (1.8V/3.3V recommended), and its efficient design minimizes power consumption while maintaining optimal performance. Integrated Low-Pass Filter: The built-in low-pass filter effectively reduces high-frequency noise and improves the clarity and quality of captured audio. Compact and Versatile: The mini module design makes it easy to integrate into space-constrained applications, making it an ideal choice for portable and embedded audio solutions. Cost-effective: The combination of performance and price makes it an ideal choice for both amateurs and professionals. Core parameters: Interface type: I2S (compatible with PDM mode) Signal-to-noise ratio (SNR): 65dBA Sensitivity: -26 dBFS Frequency response: 50Hz - 20kHz Operating voltage: 1.5V - 3.6V (recommended 1.8V/3.3V) Power consumption: 1.5mA (typical value) Directivity: omnidirectional : (Acoustic overload point) 120dB SPL Typical applications: Intelligent voice equipment: smart speakers, voice assistants Mobile phones/tablets/ headsets microphone arrays Smart home: voice control, security monitoring Recording equipment: portable voice recorders, conference microphones IoT devices: wearable devices, drones Pin definition (Pinout) (L/R): Left/right channel selection for stereo configuration (GND): Ground wire power ground (): Power input 1.5V-3.6V power supply (SEL): Interface mode selection High level = I2S, low level = PDM (BCLK): Bit clock (I2S) Synchronous clock signal (DOUT): Data output Digital audio signal output Color:As Shown Material:PCB Package Contents: 1 * ICS-43434 Module 1 * pin header (need to be soldered) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.