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 …

LRAD is the global leader and de facto standard of Acoustic Hailing Devices (AHDs). Featuring Genasys’ Advanced Driver and Waveguide Technology, LRAD systems broadcast audible …

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?

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 …

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 …

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 …

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 …

Mar 20, 2025 · The most well-known of these devices is the Long Range Acoustic Device (LRAD), which resembles a flat loudspeaker configured with multiple piezoelectric transducers …

Dec 9, 2025 · Listen and see how LRADs help deter wildlife, humanely, from critical facilities. Use any predator sound to keep birds and other wildlife from potentially co...

LRAD is law enforcement’s communication systems of choice throughout the world, including in more than 500 U.S. cities. LRAD systems are fundamentally changing the way law …