
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.
'Plug your ears and run': NYPD's use of sound cannons is ... - NBC News
May 22, 2019 · The use of sound cannons is challenged in federal court after the NYPD used them in a 2014 Black Lives Matter protest about the death of Eric Garner.
NYPD's use of sound cannons limited by new $750K lawsuit …
Apr 19, 2021 · The NYPD has agreed to limit the use of sound cannons during protests as part of a lawsuit settlement that also comes with a price tag of $750,000 for the city, new court documents reveal.
LRAD Sound Cannon - How Does LRAD Work | Sonic Weapon in …
Jun 17, 2020 · What appears to be a projector, a box amplifier, or a loudspeaker mounted on a police car or strapped to an officer’s chest is a relatively modern military-grade deterrent that creates powerful...
N.Y.P.D. to Limit Use of ‘Sound Cannon’ on Crowds After …
Apr 19, 2021 · Police officers first deployed the earsplitting beeps against protesters more than a decade ago in Pittsburgh: Painfully loud noises emitted from a powerful speaker atop a police vehicle, a...
Acoustic weapons: United States - Lethal in Disguise
After sustaining significant physical injuries as a result of the New York Police Department’s (NYPD) usage of an LRAD sound cannon in 2016, protesters and journalists brought a lawsuit against the City of New York challenging the NYPD’s excessive use of force in violation of their constitutional rights.
NYPD agrees to limits on sound cannons, ending 5-year battle
Apr 19, 2021 · In a settlement agreement filed in federal court on Monday, the police department said it will no longer use an “alert tone” setting in which the devices emit a series of sharp, painful beeps to disperse crowds.
NYPD Agrees to Limits on Sound Cannons, Ending 5-Year Battle
Apr 19, 2021 · The New York Police Department has agreed to limit its use of sound cannons on crowds, ending a five-year legal battle over claims that the devices caused hearing damage, dizziness and...
City Settles Lawsuit From Protesters Who Accused NYPD Of Firing Sound …
Apr 19, 2021 · The City has agreed to pay $748,000 to settle a lawsuit brought by Black Lives Matter protesters who said the NYPD illegally targeted demonstrators with Long Range Acoustic Devices [LRAD] in...
NYPD Use of Sound Cannons Could be Excessive Force, Court …
On 6/13/18, the US Court of Appeals for the 2nd Circuit issued a precedential ruling, authored by Chief Judge Robert A. Katzmann, addressing, for the first time, the legality of police use of a Long Range Acoustic Device (“LRAD”) sound cannon for crowd control purposes.