Feniex's Hammer is a low frequency siren device made up of a 6-inch weather proof speaker and a custom 100 Watt amplifier– all housed within a sturdy fiberglass-reinforced nylon casing. By clicking ...
The Myrtle Beach Police department will soon have two new high-tech tools: sonar and low-frequency siren emitters. Local police will begin using a low-frequency siren called a “howler.” Police Chief ...
Sirens that can be felt as well as heard are being rolled out on Fire and Rescue trucks in Sydney, Newcastle and Wollongong. The "rumbler" sirens direct low frequency soundwaves through large ...
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