Long Range Acoustic Device - QS II Long Range Acoustic Device (LRAD) QS II is a breakthrough hailing andwarning, directed acoustic device designed to communicate with authorityand exceptionally high intelligibility. What makes the LRAD product unique is its ability to transmit your messagewith exceptional voice intelligibility and tonal clarity in a highlydirectional beam, even with significant ambient noise. The directionalityof the LRAD device reduces the risk of exposing nearby personnel orperipheral bystanders to harmful audio levels. Applications: *Bird control for airports, airfields, landfills, mines & wind farms. *Waterside force protection *Crowd & Riot control *Building clearing operations *Psychological operations *Visit board search & Seizure *Remote-operation infrastructure force protection *Ground/mechanized offense/defense operations.