Acoustic warning speakers used by police causing controversy
By Bradley J. Fikes
North County Times
ESCONDIDO, Calif. — Deterring pirates with blasts of ear-splitting sound got American Technology Corp. a lot of welcome attention. But when the company's acoustic warning speakers are deployed by law enforcement agencies, it gets a less favorable reception.
The product, called a Long Range Acoustical Device directionally broadcasts sound and spoken instructions at long distances. At close range, it can also broadcast incapacitating blasts of earsplitting noise.