The AmpliVox Half-Mile Hailer is great for use in high noise areas and large open spaces. Use it to direct emergency crews and alert crowds in areas as large as a football field! Great for crowd control, public safety, law enforcement, athletic events, band practice, field days, outdoor marketing events, auctioneers, political campaigns, missionaries — any outdoor event.
BE HEARD ABOVE THE CROWD - Built-in 50 watt amplifier projects sound up to a half-mile away.
GO WIDE! - The weather proof horn speaker is designed to produce wider sound dispersion than other available products.
GO LONG! - Runs up to 200 hours on 10 "D" cell batteries (not included or use the optional, rechargeable AmpliVox NiCad battery pack and S1460 AC adapter/recharger.)
COMMAND ATTENTION - Fingertip volume and tone controls and push button emergency siren give you fast, easy control in changing conditions.