---
product_id: 499821000
title: "CIRCUIT SYSTEMS M656 Sound detection sensor module sound sensor Intelligent for arduino"
brand: "circuit systems"
price: "€ 2.80"
currency: EUR
in_stock: true
url: https://www.desertcart.fr/products/499821000-circuit-systems-m656-sound-detection-sensor-module-sound-sensor-intelligent
store_origin: FR
region: France
---

# Low voltage Sound detection Adjustable sensitivity CIRCUIT SYSTEMS M656 Sound detection sensor module sound sensor Intelligent for arduino

**Brand:** circuit systems
**Price:** € 2.80
**Availability:** ✅ In Stock

## Summary

> 🔍 Hear the Future: Elevate Your Projects with Precision Sound Detection!

## Quick Answers

- **What is this?** CIRCUIT SYSTEMS M656 Sound detection sensor module sound sensor Intelligent for arduino by circuit systems
- **How much does it cost?** € 2.80 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/499821000-circuit-systems-m656-sound-detection-sensor-module-sound-sensor-intelligent)

## Best For

- circuit systems enthusiasts

## Why This Product

- Trusted circuit systems brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Visual Feedback:** Signal lights activate upon sound detection for instant awareness.
- • **Single Channel Output:** Provides clear, low-level signal output for seamless integration.
- • **Adjustable Sensitivity:** Fine-tune your detection with a precision potentiometer.
- • **Versatile Voltage Range:** Operates efficiently between DC 4-6V for flexible applications.
- • **Precision Sound Detection:** Utilizes LM393 chip for accurate sound sensing.

## Overview

The CIRCUIT SYSTEMS M656 Sound Detection Sensor Module is an intelligent sound sensor designed for Arduino projects. Featuring the LM393 main chip and an electret condenser microphone, it offers a single channel output with adjustable sensitivity, operating efficiently at a voltage range of DC 4-6V. Ideal for hobbyists and professionals alike, this module provides instant visual feedback with signal lights, making it a must-have for innovative sound detection applications.

## Description

Can be used for Acoustic control light; give sound and light alarm working with Photosensitive sensor Note:The Maximum induction distance is 0.5M Size: - About 32mm*17mm*15mm(length*width*height) Net weight: - 7 Grams

## Features

- Main Chip: LM393, Electret condenser microphone
- Signal output indication Single channel signal output
- The output effective signal is low level Working Voltage: - DC 4-6V
- with a precision potentiometer adjustable sensitivity adjustment
- When there is sound,output low level and the signal lights

## Images

![CIRCUIT SYSTEMS M656 Sound detection sensor module sound sensor Intelligent for arduino - Image 1](https://m.media-amazon.com/images/I/61SKjBWl6YL.jpg)
![CIRCUIT SYSTEMS M656 Sound detection sensor module sound sensor Intelligent for arduino - Image 2](https://m.media-amazon.com/images/I/61XD7gY0roL.jpg)
![CIRCUIT SYSTEMS M656 Sound detection sensor module sound sensor Intelligent for arduino - Image 3](https://m.media-amazon.com/images/I/61tvbywEArL.jpg)
![CIRCUIT SYSTEMS M656 Sound detection sensor module sound sensor Intelligent for arduino - Image 4](https://m.media-amazon.com/images/I/71-6V3EqOgL.jpg)

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-02-23*