Microphone Amplifier module (MAX9814)


In stock

  • High-Quality Amplification: Enhances audio clarity with low-noise operation.
  • Adjustable Gain: Allows customization of amplification levels for various applications.
  • Compact Design: Space-efficient module for easy integration into projects.
  • Versatile Use: Ideal for voice recognition, audio recording, and IoT applications.


In stock

Product Overview: The Microphone Amplifier Module (MAX9814) is a compact and high-performance amplifier designed for capturing and amplifying audio signals from microphones. It features low-noise operation and adjustable gain settings, making it suitable for various applications requiring sensitive audio detection and recording. This module integrates the MAX9814 chip, known for its quality and reliability in audio amplification circuits, ensuring clear and crisp sound reproduction.

Key Features:

  1. High-Quality Audio Amplification:
    • Low-Noise Operation: Minimizes unwanted noise for clear audio capture.
    • Wide Frequency Response: Captures a broad range of audio frequencies accurately.
  2. Adjustable Gain Settings:
    • Programmable Gain: Allows adjustment of amplification levels via external resistors.
    • Automatic Gain Control (AGC): Automatically adjusts gain based on input signal levels for consistent output.
  3. Simple Integration:
    • Plug-and-Play: Easily interfaces with microcontrollers and audio recording devices.
    • Standard Connections: Uses standard headers or solder pads for simple connectivity.
  4. Compact and Durable Design:
    • Compact Form Factor: Space-efficient module for integration into various projects.
    • Durable Construction: Built to withstand regular use and handling.
  5. Versatile Applications:
    • Audio Recording: Integrates into voice recording devices, sound monitoring systems, and audio streaming applications.
    • Voice Recognition: Enhances sensitivity for voice command applications and speech recognition systems.
    • Acoustic Measurement: Used in environmental monitoring and noise level measurement applications.
  6. Technical Specifications:
    • Amplification Chip: MAX9814
    • Operating Voltage: Typically 3.3V to 5V DC (check module specifications)
    • Gain Range: Adjustable gain from 20dB to 60dB
    • Frequency Response: Wideband response suitable for audio applications
    • Dimensions: Compact module size for easy integration
    • Mounting: Includes mounting holes for secure installation


  • Consumer Electronics: Smart speakers, voice-controlled devices, and audio recording equipment.
  • IoT Devices: Integrated into IoT projects for sound detection and voice activation.
  • Educational Projects: Used in educational demonstrations and experiments involving sound.

Note: Images are for Illustration Purposes Only Actual product design and specifications may vary. Verify compatibility and voltage requirements before installation in specific applications.

The Microphone Amplifier Module (MAX9814) offers superior audio amplification capabilities, making it an essential component for enhancing sound sensitivity in various electronic projects and applications.

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