Defence Rock LLC
1521 Concord Pike
198 03 Wilmington, US

Hauptplatz 44
2421 Kittsee, Austria, EU

Sound Wall S, M, MO, XL

The device is a source of intensive sound, which strength is just under the limit of tolerableness. After the activation it generates an imaginary sound wall - a patented unbearable pattern, frequency and intensity noise which immediately modifies the behavior of the intruder.

Typically observed effect is automatic protective impetus to place ones hands on the ears. The device disables an effective bearing, the communication with accomplices and forces the intruder to the desertion from the intensity zone.

The body is constructed from steel and aluminium profiles. Can be activated by timer, remote control or passive infrared motion detector

Potential application places: Computer rooms, Telecomunication equipment containers, Truck loading space, Jewelery and goldsmith shops etc.

The system boasts an impressive percent success rate and can be boost with mounting up to four units (to a single active element).

Technical Data

  • Protective Volume up to:
    • DR S 010: 2650 cubic feet/ cca 75 cubic meters
    • DR S 011: 5300 cubic feet/ cca 150 cubic meters
    • DR S 012: 5300 cubic feet/ cca 150 cubic meters (IP 54)
    • DR S 013: 53000 cubic feet/ cca 1500 cubic meters
  • Acoustic preasure: 125-127 ±1 dB(A) @ 3.28ft /1m; user selectable
  • Frequency range: 2-5 kHz
  • Power consumption: 12-16 V DC < 150 mA
  • Function time at cont. Signal: > 30 minutes
  • Battery backup: 9.6V, 1800 mAh, Ni-MH
  • Battery lifetime: 3 years
  • Standby without charge: Up to 1 month
  • Dimensions: 4.17in/ 106mm (W) x 1.58in/ 40mm (H)x 26.97in/ 685mm (L)
  • Weight : 3.7 lb/ 1700 gr
  • Construction Material: Steel, Aluminium
  • Coulour: Silver
  • Temperature range: 14° – 140°F/ -10° - +60°C


  • Passive Infrared (PIR) Motion Detector, (Outdoor/ indoor)
  • Remote Control,
  • Timer

Our Prices

In Stock$
Sound Wall SY  549,-  612.-
Sound Wall MY  799,-  890.-
Sound Wall MOY  899,-  1001.-
Sound Wall XLY3249,-3620.-
Sound Wall XL speakerY3249,-3620.-