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  1. 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 …

  2. 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 …

  3. LRAD Products | Genasys

    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 …

  4. 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 …

  5. 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 …

  6. 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 …

  7. 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?

  8. What’s an LRAD? Explaining the ‘sonic weapons’ police use for …

    Feb 20, 2022 · What’s an LRAD? The LRAD is device that can put out a highly directional “beam” of incredibly loud sound, up to 160 decibels (dB).

  9. 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.

  10. The LRAD is a revolutionary (non-lethal) high-intensity directional acoustic array device for precise audio targeting which can be integrated with other solutions such as cameras and …