Mass notification wide area sound signals up to 12km / 7 mile radius

KM3-165-WF Air Alarm

This is one of the most powerful wide area notification air horn systems you will find. It uses a proven maritime design of horn constructed in cast marine aluminium with a hermetically sealed stainless steel diaphragm assembly. SPL is 147 ± 1dB total at 1m and fundamental frequency 165Hz ±4Hz.

KM3-165-WF 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