Hella Supertone Horn Kit 12V 300/500HZ 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. Specs: Nominal Voltage [V] -------12V Wattage [W] -------------72 Frequency [Hz] -----------300 Low-Tone/500 High-Tone Torque of Bracket [Nm]----10 - 15 Sound Level [Db (A)] -----118 Weight [Kg] --------------0.42 Amperage [A] ------------5.5A Mounting -----------------Bracket Housing ------------------Black Coated Metal w/ Red Protective Grille Connection Type ---------2x 6.3 mm blade terminal contacts Feature ------------------83 mm Bracket