MAX9814 Microphone AGC Amplifier Module – High Performance with CMA-4544PF-W

The MAX9814 Microphone AGC Amplifier Module is a compact, high-performance audio input solution featuring the MAX9814 IC and the CMA-4544PF-W electret microphone. Designed for clear sound capture and automatic gain control, it amplifies weak audio signals while maintaining consistent output levels.

This module is perfect for voice recognition systems, environmental sound detection, and audio input for microcontroller projects. It operates on a wide voltage range and offers excellent performance in noisy environments thanks to its built-in AGC and low-noise design.

Technical Specifications:

• IC: MAX9814 Microphone Amplifier

• Microphone: CMA-4544PF-W Electret Condenser Mic

• Power Supply Voltage: 2.7V – 5.5V DC

• Output Type: Analog audio signal

• Gain Settings: 40dB / 50dB / 60dB (via jumper)

• AGC: Built-in Automatic Gain Control

• Board Size: Approx. 22mm × 17mm

• Operating Temperature: -40°C to +85°C

• Mounting: PCB holes for secure integration

Applications:

• Voice recognition and voice control systems

• Sound-level monitoring and detection

• Audio recording for embedded systems

• Smart home and IoT audio interfaces

• DIY electronics and learning kits

Package Includes:

• 1 × MAX9814 Microphone AGC Amplifier Module with CMA-4544PF-W