ZONETECH 5 Tone Car Siren Horn with Mic PA Speaker System – 60W Emergency Sounds: Hooter, Ambulance, Siren, Traffic Sound with PA Microphone, 2 Pack

This system is great for emergency vehicles or anyone needing a powerful, multi-functional siren and PA system for their car. Does this help with what you were looking for?
Tones: The sound car siren offers 5 great sounds; a traditional hooter, a ringing fire alarm, a wailing ambulance, a blaring siren, the distinct traffic sound, etc.
Loud and clear: The sound car siren is handy but loud and clear for its size. You have to be firm and solid when on the PA speaker for volume.
Premium quality: The sound car siren is constructed from premium quality materials to ensure maximum strength and durability for long lasting usage.
Versatility: The sound car siren is not only for vehicles, but also anywhere for its appropriate usage.
Easy to install: The sound car siren is easy to install just connect the RED wire to a 12v source (inline fuse included). Run the BLACK wire to a ground (or negative battery post). With very large vehicles, the installer may need to purchase additional wiring to elongate the wires. Typical install time is less than a 1 hour. Check your local laws; it may be illegal for this siren to be installed in unauthorized vehicles. It installs anywhere with 12V DC power.