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2. Long-range acoustic device - Wikipedia

   en.wikipedia.org/wiki/Long-range_acoustic_device

   An NYPD LRAD on top of a police humvee An LRAD operator wearing hearing protection LRAD on a navy ship. 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.

3. Public address system - Wikipedia

   en.wikipedia.org/wiki/Public_address_system

   In the 1960s, an electric-amplified version of the megaphone, which used a loudspeaker, amplifier and a folded horn, largely replaced the basic cone-style megaphone. Small handheld, battery-powered electric megaphones are used by fire and rescue personnel, police, protesters, and people addressing outdoor audiences.

4. Megaphone - Wikipedia

   en.wikipedia.org/wiki/Megaphone

   An electric megaphone is a handheld public address system, an electronic device that amplifies the human voice like an acoustic megaphone, using electric power. It consists of a microphone to convert soundwaves into an electrical audio signal , an amplifier powered by a battery to increase the power of the audio signal, and a loudspeaker to ...

5. Man who used megaphone to lead attack on police during ...

   www.aol.com/news/man-used-megaphone-lead-attack...

   A Washington state man who used a megaphone to orchestrate a mob’s attack on police officers guarding the U.S. Capitol was sentenced on Wednesday to more than seven years in prison. U.S ...

6. Man who used megaphone to lead attack on police during ...

   lite.aol.com/politics/story/0001/20240403/f97acd...

   WASHINGTON (AP) — A Washington state man who used a megaphone to orchestrate a mob’s attack on police officers guarding the U.S. Capitol was sentenced on Wednesday to more than seven years in prison. U.S. District Judge Royce Lamberth said videos captured Taylor James Johnatakis playing a leadership role during the Jan. 6, 2021, riot ...

7. Vehicle audio - Wikipedia

   en.wikipedia.org/wiki/Vehicle_audio

   Mobile players for physical media have been provided for vinyl records, 8-track tapes, cassette tapes, compact discs, and MP3s.The increased sophistication of the vehicle audio system to accommodate such media has made the audio unit a common target of car break-ins, so these are equipped with anti-theft systems too.

8. House Dems call for action on law enforcement selling ...

   www.aol.com/house-dems-call-action-law-040035953...

   A group of House Democrats Tuesday called for action from the Bureau of Alcohol, Tobacco, Firearms and Explosives, days after CBS News published an investigation which found dozens of law ...

9. Black Lives Matter activists slapped with massive fines for ...

   www.aol.com/black-lives-matter-activists-slapped...

   Racial justice activists are denouncing a Florida town where cops fined several people for using megaphones during Black Lives Matter protests, an apparent violation of a local noise ordinance.