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Technical Documents

MAX4466 Module

Application Resources

Microphone Amplifier - MAX4466

EMS-00004-C

(Last updated) Jun 20, 2026

Microphone Module

Audio and sound detection sensor

Subcategory
EMS - Input: Sensors

Description

The MAX4466 Electret Microphone Module is a low-noise sound sensor with an inbuilt amplifier for detecting and monitoring audio signals. It uses an electret microphone with the MAX4466 op-amp to provide clear analog output. It is commonly used in voice detection, sound level monitoring, robotics, and Arduino/ESP32 projects.

Manufacturer Details

Manufacturer Part Number
Analog Devices / Maxim Integrated MAX4466
SparkFun BOB-12758
DFRobot SEN0232
Keyestudio KS0034

Technical Specifications

Product Type Electret Microphone Module
Main IC MAX4466
Output Type Analog
Operating Voltage 2.4V – 5.5V DC

Part Family Variants (3)

Variant Title Status
EMS-00004-A Sound Level Sensor Published
EMS-00004-B Sound Detector Published
EMS-00004-C Current Microphone Module Published

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