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Ultrasound Speech Protector & Recording Suppressor

Get complete protection of your conversations. Render all audio recording equipment defective and blocked from listening in on your private conversations.
Ultrasound Speech Protector & Recording Suppressor
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Ultrasound Speech Protector & Recording Suppressor


Using Ultrasound this Scrambles Audio to be Non-Intelligible

This is s designed for complete protection of conversations from recording on devices with microphones such as mobile phones (including smartphones), dictaphones, audio recorders (including professional and digital), radio and wired microphones. This suppressor creates a complex structured ultrasonic noise which suppresses the microphone diaphragm. Its small enough to be placed on a table or inside a briefcase.
  • Complicated structured ultrasound interference in the range frequency from 24 kHz till 26 kHz
  • Full mobile version with power supply from Li-Pol battery capacity 4100 mA/h
  • Remote switching on/off interference by wireless remote control
  • Possibility to work from battery from external adapter
  • Indication level of battery charge
  • Increased efficiency and distance of suppression

Amount of ultrasound suppressors, pcs. 10
Emission range , kHz 24 — 26

Type of emission interference

complex structured ultrasonic noise
Recording equipment suppressing distance up to 4 meters (depending on the type and location of the microphone)
Type of integrated batteries Li-Pol
Capacity of each battery 4100 mА/h
Indicator of battery discharge yes
Input of power voltage 5V, 2А
Time of continuous operation with a fully battery charge, not less than, h up to 4 
Time of full charging cycle, no more than, h 10 
Possibility intermediate charge  yes
Range of operating temperature, C +5...+40
Relative humidity, not more than 85%
Dimensions, mm 110х105х46
Weight, g 300

2 Reviews

  • incredible Speech Protection!!

    Posted by Jasper Liverhamm on 25th Mar 2020

    Beyond incredible!! This Ultrasound Speech Protector really renders all recording equipment to be ineffective. Blocks anyone from listening in on my private conversations.

  • Works as advertised

    Posted by Benny on 18th Mar 2020

    Fast shipping. Easy to setup and use. Very happy with the purchase. Thank you.

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Shipping & Returns

Audio devices may not be used to violate the privacy rights of others. In no way will Spy Associates or its subsidiaries or partners be held responsible for inappropriate use of these products.

FREE Ground Shipping On All Items Over $199

Receive free ground shipping on all items we carry. Depending on your location, carrier may vary depending on maximizing delivery speed to your location.

Same Day Shipping - Order By 2pm EST Monday - Friday

Your Order will be given to the shipping carrier the same day you place the order, not including national holidays & weekends. Shipping days do NOT include weekends UNLESS you order SATURDAY DELIVERY at checkout. Any order placed after 2pm weekdays or on Saturday / Sunday will be shipped out the next business day.

Some custom built products may require up to 48 hours, which includes custom audio add-ons that may require 72 hours. You will be notified of any delays as soon as possible.

International Shipping & Customs

YES! We ship worldwide. On International Orders, any CUSTOMS FEES are the responsibility of the purchaser NOT SpyAssociates. Every country's import rules are different, so it's impossible to guess how much, and if any fees may apply.

Return Policy

We test all of our products before shipping to ensure they are in working order.

Your Satisfaction Is Our Number One Concern


All products which are special ordered by the person ordering and are NOT subject to cancellations. Due to the nature of our product line, returns will only be accepted for products damaged upon shipment to the customer*. All returns must be authorized by before product(s) is returned. will replace, refund, or credit your account for returned product(s) at's discretion. We have been forced to implement this policy because of the attraction of our products to unscrupulous people who return products after they have profitably gained from the short-term use of the products.

*Special exceptions may be made on a case by case basis determined by In this event, returns are subject to deductions for shipping costs and a 25% restocking charge and must be returned within a ten (10) day period from date of receipt of product(s). NO refunds will be given for products returned without explicit permission from

You Are Guaranteed QUICK & ACCURATE Service

Any return must be authorized by a representative of and under no circumstances will returns be accepted otherwise. Authorization and shipping instructions must be obtained from No returns will be authorized after ten (10) business days of receipt of product(s) by the customer, unless found to be defective, in which case we will replace at no charge once returned with authorized RMA.

We at strive to offer our customers the best products at the best possible prices. Due to the nature of the products, returns will not be accepted unless the product is found to be defective or unless otherwise explicitly stated on the specific product page.

Shipping & Handling Charges Are Non-refundable.


Every product receives FREE LIFETIME SUPPORT. We guarantee all products to be free of defects in workmanship and material for 90 days (some manufacturer's warranty is one (1) year or lifetime - please see info on the page for specific product's details) after sale to the customer. We will replace or repair the product(s) at our option providing there is no evidence of customer misuse, or alteration.

This device will only connect to 2.4 GHz Wi-Fi Networks with passwords that do not contain special characters.

We are unable to guarantee Wi-Fi connection will work with all routers. Although most networks are compatible, certain routers enact stricter security measures that may block remote connections to the camera. Some examples likely to experience these issues are hotels/motels, corporate networks, 4g hotspots, open wifi networks like Starbucks, etc. Some WIFI units require the unit to be paired with a router if the end user is wanting to look at the livestream or receive motion alerts. Only compatible with Android 6 & up, iOS 8 & up. These items will need to format the MicroSD Card before use. This is done through the app.

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