Portable Microphone Suppression Kit – X-Case
Executive Protection against unauthorized audio recording devices.














- Portable Microphone Suppression System
- Mains & Internal Battery Powered
- Remote Control Operation (upto 30m)
- Angle of ultra Sonic Interference 180 Degrees
- Action Range upto 45 m2
Product Code: PBN-X-Case
- Tags: Critical Systems, Data Leakage, Executive Protection, Microphone Suppression, Privacy Protection
X-Case has been designed and tested against multiple Smart phones with special noise cancelling features.
Many of the high-end modern smartphones produced by both iPhone & Android have multiple microphones onboard. many have advanced noise cancelling and audio filtering technology which can be difficult for some acoustic silencers to defeat.
The X-Case has been tested against with iPhone 14 Pro and many other high-end phones, successfully defeating all microphones within an action range of 45m2.

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Main Description:
2 types of ultrasonic interference with simultaneous use of several frequencies + speech-like interference (white noise mode).
X-Case features a brand new ultrasonic generation system.
Ultrasonic emission changes dynamically within 1 second, while several frequencies from 20 to 40 kHz are used simultaneously.
This feature helps to suppress audio recording devices, Speech-like interference emission can be used to protect against external threats such as the threat of a laser microphone.
The X-Case can be set up very quickly and easily in any location, users can use the onboard battery for upto 2 hours. Users can also plug the device into an electrical outlet for continual protection in one place.
Using the X-Case
Charge the battery or plug the power adapter to 110/220V mains.
The Front face of the case should be pointed at the possible eavesdropping devices (voice recorder, microphone, threats) location.
Push the power button on the device to turn it on.
Next, turn on the power button on the remote control, the device will start working in the preset mode.
You can select out of two modes using the remote control.
Users can use two types of Speech protection:
- The most efficient mode utilizes both ultrasonic and speech-like interference.
The device creates audible “claps” and protects from eavesdropping through windows.
- Silent mode. The mode is suitable for suppressing voice recorders in close proximity (the distance between X-Case and eavesdropping devices is less than 3 m (10 ft). The mode generates inaudible ultrasonic interference only.
The X-Case suppressor can be used for many types of situations across an organisation.
Protect important discussions and sterilize potential eaves dropping threats covertly or overtly.
User Cases for this system include:
Face to Face Discussions
Internal Disciplinary Action – Human Resources
Confidential Agreements – Business Intelligence
Business Partner Disputes
Meeting Spaces
Meeting spaces are the number one place where a boardroom suppressor can effectively protect your organization.
Meetings are often scheduled for important discussions including:
Crisis Management Meetings
When a company is in crisis, you need to have some serious frank discussions, but those discussions can be further counterproductive to your company and create further problems if you have personnel attending the meeting who could be compromising the company and creating further crisis to your organization.
R&D Meetings
The future of your company and the plans you put in place are under serious threat by competitors from day one. Implementing the correct security measures to protect the assets and interests of your company’s future is paramount to the success of your organization.
Deployable System
The device can be put in any place or moved during negotiations.
Staying behind the device will significantly improve protection — when the device is located between the recording device and the speaking person, whose speech is to be protected, it mixes with the voice more thoroughly.
For continual stationary use – Use the supplied Mains Plug.
For Transportable use, upto 2 hours use, requires battery (not supplied)
Requires common Lead Acid Battery – GP1272F2 Battery
Weight of X-case without battery – 3.89 kg.
Aprox weight of X-case with GP1272F2 – 5.90 kg.
- X-CASE – Portable Suppressor
- Remote control — 2 pcs
- 110/220V power adapter
- Manual – English
Manual: Download PDF