LCD Anti-Theft Alarm (Sonic Shock 4)

Sonic Shock 4 - Anti-Theft Alarm


The fourth generation Sonic Shock 4 is an effective anti-theft solution. This 2" x 3.8" device pushes out 117 decibels to scare off any would-be thieves.  Made out of high grade forged and welded stainless steel housing, changeable core locks, robust circuitry, and noxious noise for thieves.


Sonic Shock features




Our most popular model, Sonic Shock 4 is an effective anti theft solution for any equipment - projectors, televisions, and computers - which have a 2 x 3.8 inch (5 x 10 cm) flat surface area for mounting


2 x 3.8 inches x 1.3 inches high (5 x 10 cm x 0.33 cm high)
The Sonic Shock 4 is sufficiently thin to be affixed to the back of wall mounted flat panel televisions

Kit Contents

Alarm module
Mounting plate
Electronic tether
Ilco removable core lock
9 volt industrial alkaline battery
Installation & User Guide

Kit does not include glue or keys; these items are ordered separately. (Distributors ordering kits from us for their inventory typically specify a glue cartidge and 2 keys in each kit. Most customers, however, can economize by ordering only 1 glue cartridge for every six Sonic Shock 4 alarms, and only a handful of keys.)


Alarm housing: 0.05 inch thick 18 gauge hard grade brushed stainless steel

Mounting plate: 0.07 inch thick 14 gauge hard grade stainless steel

Acoustic Generator

Mounting plate: 0.07 inch thick 14 gauge hard grade stainless steel


Ilco 5 wafer cam lock
Removable core
Available keyed alike or keyed differently (200 combinations)
The same key can operate Sonic Shock 4, Sonic Shock Plasma, and Sonic Shock 3 or 2 versions (now discontinued).


9 volt industrial alkaline battery
650 milliamp hour capacity
1 microamp monitoring current
400 milliamp current at full alarm

Battery Life

5+ years in monitoring mode (50 years theoretically possible)
2 hours in full alarm

Control Circuit

Proprietary Comprotec single purpose analog computer


Methylmethacrylate kit ("Plastic Welder")
2 part exothermic cure non toxic structural adhesive
3,500 psi strength on al metals and most plastics (except polypropylene)
Very high impact resistance (eg. hammer blows)
4 minute working time; 80% strength in 2 hours; 100% in 24 hours
Impervious to water or solvents when cured

Surface Bonding Area

6.75 square inches


1.1 lbs.

Operating Temperature

0 - 45 degrees Centigrade
Alarm is intended for indoor use


All Sonic Shock electronics are European Union RoHS compliant (lead free electronics)
All packaging, master packaging, and paper inserts are fabricated from 100% recycled materials


Instructions included with every kit
Additional assistance also available.


Product, excluding the battery, is warrantied for life, and for all causes (including damage inflicted by customer or a theft attempt). Warranty is limited to repair or replacement of the alarm FOB our factory or authorized distributor.

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