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Perimeter Noise Generator

Price: $699.95

No need to raise your speaking voice even when generating noise

Create a "perimeter" of noise around a target area with a noise free zone in the middle. Blocks wired microphones inside walls, contact microphones, audio transmitters located in AC outlets, and laser/microwave reflections from windows.

Most sound masking systems inject noise into an otherwise benign environment. In this environment, the occupants must raise their voices above the noise level to communicate, which invariably, eliminates the benefit of noise masking. The PNG-200 masking system injects noise into the environment perimeter and not directly into the environment. This approach allows normal conversation while defeating eavesdropping devices that rely on acoustic leakage.

  • 2 seperate channels of truly random noise sources
  • Both channels have a separate high and low frequency controls in order to compensate for loses found in the environment's material compositio
  • Overload Protection.


Weight: 1.2 lb. (.5 Kg)
Output Max: 10 V p-p @ 6 ohms
Min. Load: 2 ohms
Frequency: 125 Hz 4 kHz
Power: 12Vdc, 1A
Options, call for details:
TRN-2000 Transducer used to inject acoustic noise into walls, ceilings, windows, plumbing, and air ducts.
OMS-2000 Omnidirectional Speaker used to project acoustic noise into drop ceiling air spaces, closets, crawl spaces, and air ducts.
WMT-2000 Transducer Window Mount provides a safe method of attaching the TRN-2000 to a glass surface.


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Last Updated: Wednesday, 26 April 2017 17:45

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