Attributes

Brand	-
Category	Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin	-
Operating Voltage	2.7V to 5.5V
Gain Range	24dB to 46dB
Attack Time	10ms
Release Time	80ms
Output Signal Type	Analog Audio
Microphone Sensitivity	-42dB +/- 3dB
Signal-to-Noise Ratio	60dB
Operating Temperature	-40°C to 85°C
Module Dimensions	20mm x 15mm x 5mm
Compatible Platforms	Arduino, ESP32, Raspberry Pi

5 reviews

Anonymous

Apr 14, 2026

Rating: 4/5

Good quality, slight noise

Solid build quality. I noticed some background hiss when gain is maxed out, but overall great value for the price.

Anonymous

Apr 13, 2026

Rating: 5/5

Easy to Integrate

Plug and play with standard headers. Documentation was clear enough to get started quickly on my prototype.

Anonymous

Mar 20, 2026

Rating: 5/5

Great for ESP32 Projects

Used this for a smart home voice trigger. Low power consumption and reliable output when paired with an ESP32.

Anonymous

Mar 20, 2026

Rating: 3/5

Sensitivity varies

Had to tweak the wiring to reduce interference. Works okay but requires careful shielding in noisy environments.

Anonymous

Feb 08, 2026

Rating: 5/5

Perfect for Voice Recognition

Works flawlessly with my Arduino Nano. The AGC feature really helps stabilize the input levels for my speech project.

5 FAQ

Q: Is there a digital output for clap detection?

A: No, this is an analog amplifier module. You need to process the signal in code to detect claps.

Q: Can I adjust the gain manually?

A: The MAX9814 has automatic gain control. Fixed gain versions exist, but this one adjusts automatically.

Q: How do I connect this to an Arduino Uno?

A: Connect VCC to 5V, GND to GND, and OUT to an analog pin like A0. Ensure common ground.

Q: Does this output digital or analog signal?

A: This module outputs an analog audio signal compatible with ADC pins on microcontrollers.

Q: Can I power this with 3.3V?

A: Yes, the operating voltage range is 2.7V to 5.5V, so 3.3V is safe and supported.

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