The best noise generators – tests, reviews, opinions

Noise generator on a table where a man sits with a smartphone in his hand. Visible office accessories.

Noise generators are devices that allow you to effectively drown out surveillance equipment. They disrupt unwanted sound signals from eavesdroppers, cameras, mobile phones or voice recorders. We present a ranking of the best models in 2024, based on expert and customer feedback.

The noise generator is one of the most effective counter surveillance solutions, often used by professionals when securing premises. It is responsible for drowning out eavesdropping and other signal-emitting devices. It effectively nullifies equipment such as mini spy cameras, mobile phones or GPS locators.

How does the acoustic noise generator work?

A noise generator or simply, as it is otherwise called, a device for jamming cameras, telephones and eavesdroppers, generates a specific sound. It is usually referred to as ‘white noise’ or ‘pink noise’.

The first is a collection of noises at different frequencies, emitted at a constant level. It resembles the sound of a radio not tuned to any station. The second type is very similar, but is characterised by a greater intensity of the lower frequencies.

The scheme of operation for signal jamming devices is as follows:

  1. Noise generation – a device that emits noises designed to disrupt spy equipment.
  2. Sound masking – the noise masks other sounds in the environment and is loud enough to allow clear recording of conversations by ‘bugs’, eavesdroppers, dictaphones etc.
  3. Signal jamming – in addition to the jamming mentioned above, selected models emit special signals to interfere with the recorders. For example, they can generate complex acoustic patterns that are difficult to filter out by standard processing methods.

Noise generators are often used in rooms where important business meetings are held. This makes it impossible for valuable information to be intercepted by competitors. In addition, the equipment is usually placed in such a way as to distribute the noise throughout the room.

This prevents the effective use of laser and directional microphones, which normally provide external listening.

Noise generator ranking – TOP 5 best models in 2024

Business meeting in a conference room, two men in suits at a table. In the smaller illustration, a noise generator is visible in the upper right corner.

Our experts evaluated the most popular models on the market. Based on their opinions and customer reviews, we have prepared a TOP 5 ranking of the best noise generators in 2024.

Planning to secure yourself or your business? Find out which devices are worth looking at! 

Komar SEL-310 noise generator for conference room security

This model guarantees advanced jamming of GSM call recording, GPS, and other control equipment. Its high effectiveness is due to the production of structured ultrasonic noise, which directly strikes the microphone diaphragm of the eavesdropping device.

The Komar SEL-310 can easily cope with eavesdroppers installed in building walls, wired microphones, wireless microphones, voice recorders and smartphones. The device is a white noise generator with a range of 4 m.

It will prove ideal for jamming confidential business conversations – a frequent choice of businessmen, police, secret services and the military.

People have bought in the last 48h!

DigiScan DNG-2300 portable noise generator

The DigiScan DNG-2300 is a jamming device for mobile phones, spy cameras and much more. It protects against any type of eavesdropping: digital, analogue, seismic or optical. It generates white noise, effectively disrupting microphones.

The model features three channels, each supporting 12 or 24 transducers. In addition, the noise levels can be individually adjusted.

Most importantly, the DNG-2300 is relatively easy to use and requires no specialist knowledge.

People have bought in the last 48h!

  • suppresses microphones: contact, window laser, wired in walls
  • generates white noise (output interference is evenly distributed across the spectrum of the human voice)

MNG-300 Rabbler – jamming eavesdropping at a good price

The MNG-300 Rabbler acoustic noise generator protects confidential conversations from microcameras, GSM eavesdroppers, wireless microphones, voice recorders and other surveillance devices. It is characterised by extremely simple operation and high efficiency.

A large loudspeaker is located in the central part of the model, which is responsible for generating noise. You will be able to conveniently adjust the intensity of the emitted signal via a two-button panel.

It is a popular device especially for those who wish to equip themselves with a noise generator for private use. The MGN-300 Rabbler is mobile and has a relatively low price for this type of equipment.

People have bought in the last 48h!

  • Professional white noise generator
  • Protects from eavesdropping devices

TOWER-A – professional noise generator for wiretaps

Jamming eavesdropping and other spy devices in a 30-40m2 area? It’s possible with TOWER-A! This top-of-the-range noise generator is, according to many exponents, one of the best models on the market. And so do our customers, who often decide to buy it.

Due to its wide range of possibilities, this solution is primarily aimed at institutions and enterprises wishing to protect themselves against unauthorised access to information.

The device is distinguished by the omnidirectional placement of the noise-generating microphones, which cannot be blocked by de-noising services. The equipment has no external buttons to avoid accidental switching off.

People have bought in the last 48h!

CASE ULTRA-05 noise generator for business, special services and the military

The CASE ULTRA-05 is a noise generator that stands out from its competitors. The device takes the form of a portable business briefcase, making it an extremely discreet and unsuspecting gadget.

The working range of the equipment reaches 3 m. The model provides effective jamming of GSM signals, eavesdroppers, mobile phones, cameras and much more. This white noise generator does not impose white noise on recordings, making any de-noising services unlikely to succeed.

People have bought in the last 48h!

Jamming eavesdropping, dictaphone, telephone and more – is it worth buying a noise generator?

The acoustic noise generator is a device that allows you to fight against eavesdroppers, even those installed deep in the walls of buildings. Since we can encounter surveillance at every turn these days, it is worth considering the purchase of this equipment. Whether you use it for private use or to protect your company.

Mobile phone jamming devices, ‘bugs’, cameras and other surveillance paraphernalia will also work well for those holding important government positions. Moreover, such tools seem to be a matter of course in the offices of ministers, politicians, directors of large companies or CEOs. When you buy acoustic noise generators, 100 percent sure that nobody can overhear you.

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