Martinshorn, signal horn on an emergency vehicle, compressed air

Buy the EU compliant emergency air signal horn. Provides a loud warning of 120 dB and is ideal for use on building sites as a temporary alarm

Emergency Air Signal Horn

MARTIN-HORN® 2298 GM » Max B. Martin GmbH & Co. KG

Air horn use hi-res stock photography and images - Alamy

Vehicle horn hi-res stock photography and images - Alamy

Our emergency air horn with bracket and sign is an inexpensive option that allows any user to alert occupants of the building or site to an emergency.

Emergency Air Horn with Sign and Bracket

Buy the EU compliant emergency air signal horn. Provides a loud warning of 120 dB and is ideal for use on building sites as a temporary alarm

Emergency Air Signal Horn

Why has the UK adopted the US emergency wailing siren from the traditional two tone used for years? - Quora

7 Tone Sound Loud Car Siren Vehicle Horn Hooter/Ambulance/Siren/Traffic Sound with Black Remote Controller 12V 100W : : Automotive

Air ambulance vehicle hi-res stock photography and images - Alamy

Ambulance siren hi-res stock photography and images - Alamy

German Martinshorn (Pressluft) 2297GM - Audio Modifications