LRAD sound weapons at protests use focused acoustic beams up to 162 decibels that cause permanent hearing damage, but distance and industrial earplugs provide effective protection.

In extreme cases, sonic weapons can cause nausea, dizziness, and even permanent damage. In this case, officials used it to ...

Minnesota State Patrol troopers used a powerful sound system first used by the military in Maple Grove, Minnesota, to ...

Add Yahoo as a preferred source to see more of our stories on Google. Minneapolis Riots LRAD Deployed Against Violent Agitators Image by Canva As riots continue against ICE operations in Minneapolis, ...

During protests in the USA, security authorities use LRAD systems for announcements and crowd control. How do these "sound cannons" work?

SAN DIEGO--(BUSINESS WIRE)-- Genasys Inc. (NASDAQ: GNSS), the global leader in Protective Communications, today announced Long Range Acoustic Device® (LRAD) orders totaling $2.5 million from the US ...

SAN DIEGO--(BUSINESS WIRE)-- Genasys Inc. (NASDAQ: GNSS), the global leader in Protective Communications, today announced additional follow-on Long Range Acoustic Device® (LRAD®) orders totaling $1.1 ...

LRAD Corporation, provider of long range acoustic hailing devices (AHDs), received a $700,000 order for LRAD 300X systems for installation on international coastal patrol boats currently under ...