LRAD is the global leader in Long Range Acoustic Devices and advanced mass notification systems. LRAD directional loudspeakers feature optimized driver and waveguide technology to broadcast audible, highly intelligible voice messages up to 3,500 meters. LRAD's exceptionally clear voice messages and attention-commanding alert tones ensure warnings, commands and notifications are heard and understood. LRAD systems are also scalable, more effective alternatives to non-lethal and kinetic measures. LRAD's new ONE VOICE P.A./mass notification systems deliver audible 360° broadcasts up to 12 sq. km. (less)