With over 100 years of expertise, the leading German luxury brand know what defines performance. Be assured of satisfaction as each HELLA horn is individually tuned to deliver optimal sound performance. Voltage of 12V, current of 6 amp(max), high tone of 500 Hz, low tone of 300 Hz, sound pressure of 118 db (at 2 m from source) and type of sound is disc horn, metallic, TT horn.