Since the early part of last year, U.S. soldiers and marines have been experimenting with a series of sonic blasters in Iraq. The Long Range Acoustic Devices, or “LRADs,” can broadcast messages hundreds of yards away — or be ear-splittingly loud at close range.

The New York Police Department also had the devices at the ready during the Republican National Convention, although it’s unclear whether the LRADs were actually used or not.



Last week, the L.A. Sheriff’s Department tested out an acoustic transmitter that makes earlier models look like “childrens’ toys” in comparison, LASD Commander Sid Heal, a world-renowned expert in non-lethal weaponry, tells Defense Tech.



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