Mass notification wide area sound signals up to 16km / 10 mile

KM4-135-EN Air Alarm

This extremely compact horn operates from air, nitrogen, or CO2, with a 3/8” NPT inlet to produce 132 ± 1 dBA @ 1 metre. The fundamental frequency is 745Hz ± 20 Hz and the horn is supplied in powder coat red.

KM4-135-EN Air Alarm

Mass notification sound signals up to 1km | up to 6km | up to 8km | up to 6km | up to 8km | up to 12km | up to 16km