The Illusion of Audio Glass Break Detection – Audio Glass Break Sensors Detect Burglarious Entry Through Glass

March 30, 2026 by

Audio Glass Break Detectors are intrusion detection units that utilize a built-in microphone designed to detect the sound of breaking glass during an intrusion event. When a forcible glass-break entry occurs, it generates a specific acoustic frequency, and the audio glass break detector’s on-board microphone is designed to detect this frequency and trigger the alarm system. The range of audio glass break detectors is up to thirty (30) feet from their installed location. Given that, based on the audio glass break detector’s range, they can cover a row of glass windows within this range.

The failure of the burglar alarm system to activate during an intrusion event will foreseeably increase the loss, because the expectation was that the premises were protected by the burglar alarm system. Similarly, insurance carriers and underwriters see it the same way. As a result, losses from these claims and the amount of money damages insurers have had to pay for burglary losses have dramatically increased due to burglar alarm systems failing.

Alternatively, had the burglar alarm system been activated, the losses have been demonstrated to be substantially lower, or no damages are sustained because the alarm system’s activation creates a convincingly effective deterrent and the perpetrators flee.

When an Alarm Contractor breaches its duties and is a proximate cause of the damage sustained, as a responsible party, it can be targeted for subrogation litigation and recovery.

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