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.

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