Long-range acoustic device - Wikipedia
A long-range acoustic device (LRAD), acoustic hailing device (AHD) or sound cannon is a specialized loudspeaker and sound weapon that produces sound at high power for …
How LRAD Works - HowStuffWorks
Mar 17, 2025 · Review the basics of sound and discover exactly how the LRAD produces its "beam of sound." We'll also explore LRAD's hailing and warning abilities and other uses for …
The Sound Engineering Behind LRAD Technology - GraySpark Audio
Mar 21, 2025 · The directional acoustic beam formed by an LRAD (typically 15-30 degrees) employs the same wave physics principles that sound designers use for line array systems in …
What Is LRAD and How To Use It Most Effectively
Dec 10, 2024 · Managing large crowds and communicating effectively over long distances is a challenge in law enforcement. Tools like the Long Range Acoustic Device (LRAD) have …
lrad Sound Cannon | lrad System | Solas Marine
LRAD systems broadcast highly understandable voice communications and warning tones with focused acoustic output. They determine the intent of vessels not responding to radio calls and …
LRAD Sound Cannon - How Does LRAD Work | Sonic Weapon in …
Jun 17, 2020 · During the 2020 protests, police have used an LRAD sonic weapon to disperse protesters. What is it, how does it work, and how can you protect your ears?
Long Range Acoustic Devices | LRAD | Kontek Industries
In uncertain or escalated public safety situations, LRAD fills the critical gap between the limited range and poor intelligibility of bullhorns and vehicle P.A. systems, and kinetic measures …
Using Long Range Acoustic Devices (LRADs) to Enhance …
Mar 18, 2024 · Developed by Genasys, LRADs have revolutionized communication in many settings, offering unparalleled capabilities that ensure recipients receive instructions and …
Genasys | LRAD Critical Mass Communication Systems
LRAD systems provide law enforcement with clear, long-range communication tools, allowing officers to manage crowds, issue commands, and de-escalate situations from a safe distance.
LRAD: The Sound of Possible Excessive Force
Nov 30, 2019 · [1] An LRAD, short for long-range acoustic device, was used against American protesters for the first time at the G20 Summit Pittsburgh protests in September 2009. [1] .