Hella Supertones are the horns to have for getting the attention of other vehicles on the road. Hella uses a combination of low tone (300Hz) and high tone (500hZ) disk-type horns to project a powerful 118dB sound that is designed for highway use.
Hella includes the two 12V Supertone horns each with a mounting bracket, a relay and wiring instructions.
Check out Hella's apps so you can compare the sound levels of their various horns: For Android phones viaGoogle Play
For Apple iPhones viaiTunes For Apple iPads viaiTunes
- Dimensions (single horn):
- Diameter: 4.675 in/ 124 mm
- Thickness: 2.125 in/ 55 mm