There's no mistaking that genuine train horn sound. Loud and deep, Kleinn 500 Series train horns will turn heads and move people big time! All 500 Series horns have reversible trumpets so you can get a realistic multi-directional effect, just like a real locomotive. Heavy duty steel mounting brackets allow for under-body or rooftop mounting. When these horns sound, you'll swear that you're standing on railroad tracks. Realistic multi-directional effect, just like a real locomotive. Three tuned trumpets, 16", 14", 11". Chrome-plated high impact ABS.