20 watt PA, Compact Megaphone Speaker, adjustable volume control with built-in siren and 800 yard range. Has been utilized by indoor & outdoor by fire officers,  police,  cheerleader, schools, sports activities. This portable megaphone with siren is amazingly lightweight. Our megaphone works with just 4 C batteries.

The NETcom.  megaphone speaker has two audio modes. The first one is voice  wherein the bullhorn amplifies a voice or sound spoken into the microphone.

The second mode is siren alter mode. With this mode, the bullhorn can act as a siren and sound an emergency alarm tone with just a push of a button.