Emergency Sounds, wav files work, wav format sounds and movie sounds effects ... Emergency sound effects (fire, police, ambulance, sirens, alarms and more).
Amazon.com : Police Siren 5 Tone PA System 60W Emergency Sound : Home Security Systems : Camera & Photo.
Oct 26, 2017 ... In Germany, the police siren emits a nasal perfect fourth. (Listen to a compilation of international siren sounds here.) In the United States, sirens ...