Whelen Power Air Horn Choose Your Model:Air Horn Tone Only Siren All-new modular design is built

All-new modular design is built to scale with your needs and allows for access to every connector and fuse from the top of the box

Permanently affixed to the roof of the vehicle & require drill holes to install

The I3SM comes with a 12" pigtail

Available modes: Full spot

Whelen Power Air Horn Choose Your Model:Air Horn Tone Only Siren All-new modular design is builtGo undercover with the Power Airhorn Series. This cost effective amplifier creates the same familiar air horn sound used by Police, Fire, and EMS in any type of vehicle. Perfect for volunteer fire personnel and security operations. Perfect for volunteer fire personnel, security, escort and undercover vehicles. Features: An inexpensive supplement to your car horn sound level with a legal* air horn tone. Delivers 100 watts of power to a 100 watt siren