Better Hearing Institute Condemns Use of Sound Cannons (LRAD's) for Crowd ... - MarketWatch (press release)
05/17/2012
Better Hearing Institute Condemns Use of Sound Cannons (LRAD's) for Crowd ...MarketWatch (press release)Any exposure to the device at its maximum power could cause irreversible damage to the ears since the sound exceeds that of a jet engine taking off or a gun shot near a person's ear; in addition it can result in debilitating tinnitus (ringing in the ...and more »
05/17/2012
Better Hearing Institute Condemns Use of Sound Cannons (LRAD's) for Crowd ...MarketWatch (press release)Any exposure to the device at its maximum power could cause irreversible damage to the ears since the sound exceeds that of a jet engine taking off or a gun shot near a person's ear; in addition it can result in debilitating tinnitus (ringing in the ...and more »
Ringing In The Ears tinnitus
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