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 ...

When the crowd ignored repeated dispersal orders, officers announced they would activate a long-range acoustic device, or ...

Violent rioters in Minneapolis assault ICE agents, launch attacks, and issue death threats during Operation Metro Surge – prompting LRAD use.