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BMT MAX9814 Microphone AGC Amplifier Module (2.7V-5.5V)
Computers & TabletsTakealot

BMT MAX9814 Microphone AGC Amplifier Module (2.7V-5.5V)

R 229.00

Takealot · checked 3 days ago

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Average
R 229.00
Lowest seen
R 229.00
Highest seen
R 229.00
Last change
R 0.00
First indexed
23 Sep 2026
Retailer
Takealot

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Description

The BMT MAX9814 Microphone AGC Amplifier Module is a high-performance audio preamplifier designed for clear and stable sound capture in electronic projects. It integrates an automatic gain control (AGC) system that dynamically adjusts microphone sensitivity, ensuring consistent audio levels even when sound sources vary in distance or volume.

This module is ideal for voice detection systems, audio recording projects, robotics, smart devices, and sound-responsive applications. With built-in low-noise circuitry and a high-quality microphone bias supply, it delivers clean and amplified audio signals suitable for microcontroller ADC inputs such as Arduino, ESP32, and other development platforms.

Its compact design and configurable gain settings make it highly versatile for both beginner and advanced electronics applications where reliable audio capture is required.

Feature(s)

Automatic Gain Control (AGC) for stable audio output

Three selectable gain settings: 40dB / 50dB / 60dB

Programmable attack and release timing

Low noise and low distortion audio amplification

Built-in microphone bias for stable operation

Low power consumption with shutdown mode

Wide operating voltage range for flexible integration

Specifications

Operating Voltage: 2.7V - 5.5V

Gain Settings: 40dB / 50dB / 60dB

THD (Total Harmonic Distortion): ~0.04% (typical)

Input Noise Density: ~30nV/ Hz

Microphone Bias Voltage: 2.0V (built-in)

Package Type: 14-pin TDFN (3mm x 3mm IC)

Operating Temperature: -40 C to +85 C

Control Features: Adjustable attack and release timing

Additional Information

Upgrade your audio sensing and voice detection projects with the BMT MAX9814 Microphone Amplifier Module. Designed for clarity and stability, it automatically adjusts gain to maintain consistent sound levels, making it ideal for smart devices, robotics, and audio monitoring systems. Its compact design and reliable performance ensure seamless integration into a wide range of electronic applications.

What's in the box
1 x BMT MAX9814 Microphone AGC Amplifier Module (2.7V-5.5V)