Omnidirectional Acoustic Speaker for White Noise Generator

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The SP-2300 Omnidirectional Acoustic Speaker was created to work with the DNG-2300 White Noise Generator and TD-2300 Transducer to keep conversations and information private. Conduct confidential meetings and speak freely in your office, conference room or any private space. Listening devices, bugs, thin walls or the carrying of a voice don’t stand a chance paired with the DNG-2300.


Omnidirectional Acoustic Speaker for White Noise Generator





• Creates audio interference by filling open space with white noise
• 3-Way Directional Sound
• Attractive, Compact design, fits in small spaces such as ventilation shafts, drop ceilings or open spaces





• Listening with the help of a wall stethoscope placed behind the construction adjacent to cavity (typically from a top floor behind the drop ceiling)
• Leakage of sound outside the protected room through the void/cavities (for example, through the ventilation or common holes for the pipes of heating system)
• Loss of information due to a wired microphone inserted into a void or cavity
• Loss of information due to hidden covert surveillance devices in a void or cavity



How does it work?
When the white noise generator is paired with the transducers and speakers, it produces a low level audible interference by creating vibrations onto the surface of the walls in the protected space. The speaker creates audible interference to prevent sound and voice leaks through the air, insert the speaker in the voids, cavities and ventilations systems. If any form of eavesdropping devices are used it will block the voices and instead it will pick up and relay back the vibrational and audible white noise created by the complete audio security device DNG-2300, TD-2300 and SP-2300.


Where do I place the speaker?

Place the SP-2300 Omnidirectional Acoustic Speaker in ventilation shafts, space behind the drop ceiling and other voids leading outside the protected space. Ventilation makes it easy for sound to escape a private space and easy covert placement for counter surveillance devices. Sound carries through the air in the vents which can be picked up remotely or by placing a microphone in these easily accessed spots. When it comes to the space behind drop ceilings, the sound distributes in all directions, therefore all conversations inside the private space can be picked up easily under the drop ceiling. Eavesdropping devices can be placed in ceilings by drilling a hole in a ceiling or partition. That's why it's important to place the SP-2300 in open airways to create audio interference so that the sound that's picked up by these devices is unuseable.


What if it doesn't fit in my space?

The SP-2300 is assembled from 3 speakers, each of them can be used separately for smaller voids. Disassemble the SP-2300 by removing the triangle holders, cut the cables and place the separate speakers where necessary and then connect again in series.


How many do I need?
You’ll want to have a good spread of transducers and speakers amongst the wall space, the number will depend on the size and construction of the room. You can connect up to 12 speakers per noise generator. 1 speaker per 32 square feet. See example below.

The output power is divided between the speakers, so when there are more connected, each unit will receive less power. Based on the number of speakers connected will determine the power level. The DNG-2300 can minimally handle 8 Ohm per channel. When there are more speakers connected, the higher the volume needs to be set.




  • Power: 9 W ( 3 x 3W)
  • Dimensions: 4.33 in. x 3.15 in.
  • Weight: 12.69 oz.
  • Resistance: 24 Ohm


SP-2300 Includes:

  • 3-way Directional Speaker
  • Triangle Speaker Holders
  • 3.28 ft Power Cord
  • User Manual
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Any non-defective returned items, that have obviously been used for its purpose, mistreated or broken and returned are subject to a 25% fee or returned to you at our discretion.
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Some Items can not be returned for any reason 
GPS:No GPS tracker can be returned for any reason. A defective device will be replaced with the same or equal item. No refund no credits.
Counter Surveillance Devices: 
Counter Surveillance devices including Bug detectors, countermeasures kits, phone line analyzers or any device used to locate a surveillance device. Defective items will be replaced No refunds No credits,
Software or Software Devices:
No returns for software of any kind are accepted.

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As long as you meet the criteria included in this policy, we will apply a refund through our processor to your original form of payment. We may also offer a store credit if the original form of payment is unavailable.

Last updated 5-3-2019   Exceptions to this policy may be made in extreme cases. Such exceptions are at our discretion and will be made on a per case basis. By placing an order, you agree to our Return policy
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