The Powerhouse is a roof mount air horn that has dual metal chrome trumpets.
Features Wolo's new heavy-duty compact chrome compressor.
It produces a sound that is EXTRA LOUD, for the vehicle owner that demands to be heard (120 Decibels 390/435Hz).
Included in kit is weather protector covers for both trumpets to insure many years of dependable service.
The Powerhouse is a perfect addition for any Truck, 4X4, RV, Van, etc.
So if you want the sound of the big trucks without an on board air tank, then this is the one for your vehicle.
It will look as good as it sounds on your roof.
Comes complete with all mounting hardware.
Instructions in English/Spanish.

Longest Trumpet measures 13-1/2" (~ 343mm)