Long-range acoustic device - Wikipedia
A long-range acoustic device (LRAD), acoustic hailing device (AHD) or sound cannon is a specialized loudspeaker that produces sound at high power for communicating at a distance.
LRAD Products - Genasys
Long Range Acoustic Devices. LRAD systems deliver live or recorded voice messages with exceptional clarity for any operational scenario. Optimized to the primary range of hearing, LRAD’s Advanced Driver and Waveguide Technology ensure every broadcast is clearly heard and understood, even above crowd, engine, and background noise.
Explainer: LRAD -- What Is It And How Does It Work? - Radio Free …
2013年3月13日 · The LRAD, or Long Range Acoustic Device (pictured here on the right) can emit a blast of amplified sound capable of inducing headaches, panic, and potential hearing loss.
Using Long Range Acoustic Devices (LRADs) for 2025 - Genasys
2024年3月18日 · In the realm of audible communication technology, one innovation stands out for its versatility, clarity, and effectiveness: the Long Range Acoustic Device (LRAD). Developed by Genasys, LRADs have revolutionized communication in many settings, offering unparalleled capabilities that ensure recipients receive instructions and information across ...
How LRAD Works - HowStuffWorks
2023年11月22日 · Police departments and land-based military units have found uses for Long Range Acoustic Devices. Authorities like police forces can give warnings and instructions that are audible to a large group of people. They can even use the devices to order crowds to disperse.
The US military’s heat weapon is real and painful. Here’s what it …
2020年9月18日 · The weapon, the Active Denial System (ADS), is a real thing, as is the sound system, which is called a Long Range Acoustic Device (LRAD).
Here's How The Military And Police Use Sound As A Weapon
2023年9月10日 · 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 across the...
LRAD: The Sound of Possible Excessive Force
2019年11月30日 · [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. Over the past decade, LRADs have only become increasingly popular among law enforcement, to the point where the device is now a common feature of many department’s crowd control ...
LRAD Solutions - Genasys
2024年9月30日 · State of the art, long range acoustic devices for use across public safety and military applications. View all LRAD Products Find the LRAD solutions that best fit your applications.
Long Range Acoustic Devices (LRAD) and Public Safety
2020年8月10日 · LRAD systems are a type of Acoustic Hailing Device (AHD), used to send messages over long distances. LRAD systems produce much higher sound levels (volume) than normal loudspeakers or megaphones. Over shorter distances, LRAD signals are loud enough to cause pain in the ears of people in their path.
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