Description: Clean steady police type siren passing by fairly smoothly. Stereo. Very light background.

Description: Siren speeding by. Urban street but no traffic. Clean. Passes very close. Good approach and away. Stereo field recording.

Description: Multiple sirens in the distant, then closer. Nice long take. Stereo. Live recording.

Description: Medium distant, medium fast, single fire truck passes by with dual sirens. Urban city. Stereo.