Loudest Long Range Mid-size AHD Rocket Launch Sound Effect Low Profile, Long Range Communication System. Safer Alternative to Non-Lethal Weapons. ► Powerful, intelligible communication up to 1,700 m; ► Focused directional broadcasts for targeted communication; ► Creates instant acoustic standoff perimeter; ► Safer alternative to non-lethal means. SIRIN 450XL is a powerful long range acoustic device reliably ensuring communication over a 1700 m distance. It efficiently transmits voice commands...