Sound Detection Sensor Module

2 sold in last 8 hours
Ednex Shop
Estimated Delivery in 7 To 15 days
Dhs.5.50 AED
  • Sound Sensor Module with LM393 main chip and electret microphone.

  • Working voltage: DC 4-6V.

  • Signal output instructions with a single signal output.

  • Effective signal output for low level.

  • Output goes low and signal light turns on in response to sound.

  • Can be used for applications such as sonic lamp, sound and light alarm with photosensitive sensors, voice control, and sound detection.

  • Circuit boards output switch value.
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Products and goods sold on our site are expected to meet the highest quality standards and your expectations when you order online. However, in case you decide to return your order / part of any order for any reason, please read our return policy carefully to process your returns. 

Our policy lasts 7 days. If 7 days have gone by since your order has been delivered, unfortunately we can’t offer you a refund or exchange.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.


To complete your return, we require a receipt or proof of purchase and a RMA (Return Material Authorization) Number.  Do not ship your returns till you have an RMA number.  To get an RMA Number, please call our customer support number and they will provide you with one.  Any item that is not accompanied by all the required documents above will not be accepted for returns.



To return your product, you should mail your product to:

EdNex Educational Aids Trading LLC.

205, Al Reyami Building, Karama, Near Karama PO,

PO Box 124467, Dubai,

United Arab Emirates.


You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

Depending on where you live, the time it may take for your exchanged product to reach you, may vary.

Please use a shipping method that can be tracked and insured when you ship your returns for your own protection. We don’t guarantee that we will receive your returned item.


Refunds (if applicable)

Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.

If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

Unopened Sets:  For unopened sets, refunds will be approved in full (minus shipping and handling) and will be credited to you in the same method payment was made.

Opened Sets: For opened sets, refunds will be in the form of store credit or exchange only.

Software:  No refund will be applicable on software purchased along with another product or stand alone.


Sale items (if applicable)

Only regular priced items may be refunded, unfortunately sale items cannot be refunded.


Late or missing refunds (if applicable)

If you haven’t received a refund yet, first check your bank account again.

Then contact your credit card company, it may take some time before your refund is officially posted.

Next contact your bank. There is often some processing time before a refund is posted.

If you’ve done all of this and you still have not received your refund yet, please contact us at


Exchanges (if applicable)

We only replace items if they are defective or damaged.  If you need to exchange it for the same item, send us an email at and after confirmation from our customer support team, please send your item to:

EdNex Educational Aids Trading LLC.

205, Al Reyami Building, Karama, Near Karama PO,

PO Box 124467, Dubai,

United Arab Emirates.

The Sound Detection Sensor Module is equipped with an LM393 main chip and an electret microphone, allowing it to detect sound signals effectively. Operating within a voltage range of DC 4-6V, this module provides a reliable performance for various sound-related applications. It offers a single signal output, making it convenient to interface with other devices. The module generates an effective signal output in a low-level format, which is suitable for processing by microcontrollers or other digital systems. Additionally, when a sound is detected, the output signal goes low, and the signal light on the module illuminates, providing a visual indication of sound detection. The Sound Detection Sensor Module is versatile and can be used in a wide range of applications. It is commonly employed in sonic lamps, sound and light alarms with photosensitive sensors, voice-controlled systems, and sound detection projects. With its output switch value on the circuit board, this module simplifies the integration process into larger electronic systems. It provides a convenient and efficient solution for capturing and processing sound signals in various projects and applications.
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Sound Detection Sensor Module
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