Wholesale MAX9814 Microphone Amplifier Module with Auto Gain Control (AGC) - Low Noise Sound Sensor Board

The MAX9814 is a low-cost and high-performance microphone amplifier with automatic gain control (AGC) and low-noise microphone bias. The device features a low-noise front-end amplifier, variable gain amplifier (VGA), output amplifier, microphone bias voltage generator, and AGC control circuit.
● Automatic Gain Control (AGC)
● 3 gain settings (40dB, 50dB, 60dB)
● Programmable action time
● Programmable action and release time ratio
● Power supply voltage range: 2.7V to 5.5V
● Low THD: 0.04% (typical value)
● Low power consumption sleep mode
● Built-in 2V low-noise microphone bias

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1、Passive Components: We offer a comprehensive range of resistors, capacitors, inductors, and connectors, backed by stable stock and competitive pricing to support your continuous production needs.

 

2、Integrated Circuits (ICs) & Microcontrollers: Our portfolio features high-performance chips, including the ESP32 series, MCUs, and logic ICs. All components are sourced from authorized distributors to ensure guaranteed quality and authenticity.

 

3、PCB & PCBA Solutions: We provide complete supply chain support for printed circuit boards, ranging from prototype fabrication to mass production assembly, serving the IoT, consumer electronics, and industrial sectors.

 

Quality & Service Commitment
At Muren Technology, we prioritize authenticity and traceability. Every batch undergoes strict quality inspection with full lot traceability and customs declaration support. Whether you require samples, small-batch trials, or large-volume orders, our professional team ensures accurate delivery and long-term stable cooperation.