Key benefits Low noise microphone amplification for clear, reliable audio capture using a professional amplification IC. sensitivity with a fixed gain of 20 dB, delivering a strong, consistent signal without manual gain adjustments. Flexible power compatibility, supporting 3.3V and 5V systems for easy integration with a wide range of microcontrollers and boards. Versatile output options with separate pins for analog and digital signals; default output is analog for straightforward use. Key specifications and features Gain: fixed 20 dB Output: separate analog and digital output pins; default output is analog Power supply: 3.3V or 5V Noise performance: low output noise Applications and use scenarios Microcontroller audio capture and voice detection in 3.3V/5V projects: use the analog output for straightforward ADC reading and signal processing with common development boards. Voiceactivated devices and smart sensors: reliable microphone input with fixed gain supports consistent voice triggers and detection. Embedded audio interfaces and data logging: use the analog output for precise audio measurements or feed the digital output for additional processing paths as needed.