Martinshorn, signal horn on an emergency vehicle, compressed air fanfare, ambulance, signal horn, siren Stock Photo - Alamy

FIAMMCOMPONENTS - Sirens for priority and emergency vehicles

Zone Tech 80W Emergency Sounds Electric Horn-Hooter/Fire Alarm/ Ambulance/ Siren/Traffic Sound with PA Microphone System : : Car & Motorbike

100+ Emergency Air Horn Stock Photos, Pictures & Royalty-Free Images - iStock

100+ Emergency Air Horn Stock Photos, Pictures & Royalty-Free Images - iStock

Ambulance siren hi-res stock photography and images - Alamy

Viping 7 Tone Sound Car Siren Megaphone Vehicle Horn 12V 80W with Mic PA Speaker System Emergency Sound Amplifier Auto Siren Emergency Sounds Electric Horn Hooter Ambulance Siren Traffic Sound

Viping 7 Tone Sound Car Siren Megaphone Vehicle Horn 12V 80W with Mic PA Speaker System Emergency Sound Amplifier Auto Siren Emergency Sounds Electric Horn Hooter Ambulance Siren Traffic Sound

Emergency Air Signal Horn

Air horn hi-res stock photography and images - Alamy

Spanish Emergency Air Siren system

Emergency Car Horn/Ambulance Motor Siren with Speaker - China Siren, Siren Speaker