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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 communicating at a distance.

  2. How LRAD Works - HowStuffWorks

    Mar 17, 2025 · If those verbal instructions don't produce a result, the LRAD can produce a loud warning tone that approaches or passes the threshold of pain. When used to cause pain or disorientation, the …

  3. 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?

  4. 'Like a sound from hell:' Was an illegal sonic weapon used on ...

    Mar 26, 2025 · In this photo provided by the Serbian Interior Ministry, Serbian Gendarmerie officers show the U.S.-made Long Range Acoustic Device (LRAD), which is illegal in Serbia and many other …

  5. Long Range Acoustic Device (LRDA) [i] - by Mike Mihajlovic

    Mar 20, 2025 · The LRAD, which is not categorized as a defense article and requires no U.S. export license, has been sold to 60 countries worldwide, including Azerbaijan, Georgia, and Poland.

  6. Understanding What is an LRAD – Beyond a Loudspeaker to a ...

    An in-depth look at the LRAD sound cannon, a tool for both long-distance communication and non-lethal deterrence. Explore its technical specifications, real-world deployments, and legal challenges.

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

    Feb 20, 2022 · At vaccine mandate protests in Canberra last week, police used powerful loud-hailing devices called Long-Range Acoustic Devices (LRADs) to address protesters. While some protesters …

  8. Acoustic Weapons - Lethal in Disguise

    It was originally developed by the LRAD (Long-Range Acoustic Device) Corporation. Several other companies, including HyperSpike, now sell the weapons as well. According to Genasys, LRAD® …

  9. What Is LRAD and How To Use It Most Effectively

    Dec 10, 2024 · While LRAD is classified among sonic and ultrasonic weapons due to its capacity for high-volume, directed sound, it is primarily used by law enforcement as a communication tool.

  10. Here's How The Military And Police Use Sound As A Weapon

    Sep 10, 2023 · Sonic weapons known as Long Range Acoustic Devices (LRAD), are used by law enforcement officials as a non-traditional method of crowd control and dispersal in multiple countries …