like a truck

so it must be, not like the original horn in the car, which was not to hear - now is there really something going on under the hood. High and low frequency produce a clean sound, and that also really loud, probably just so on permitted.
Good quality, unbeatable price, easier for me as a professional installation, but the lack of assurance with holder has been annoyed me, so had to again going shopping, so something should by supplied together, though that relay with beiligt.
One should always fit an assurance that horn pull together Arnold Böcklin neat juice, usually the original horns are protected with 10 A on the electrical system, and that is not enough, things were, the horns to rewire, to drive the relay can be which is Original cables Yes use (Cl. 85 and 86) and place of the battery a 1.5mm² cable with fuse for 87 Kl.