Hella 12/24V Air 1- Tone BX Passenger Car Horn Kit (Black) HELLA ACOUSTIC WARNING SYSTEMS: In the hustle and bustle of traffic, safety is paramount. Your customers will surely notice that our horns, use the most modern acoustic technology. Integrating security, reliability and precision workmanship HELLA is a tradition that continues for more than 100 years ago. Horns, disc horns and trumpets from HELLA are designed and manufactured with German precision technology. We work with the most important car manufacturers,...