Kobalt
Portable train horns
Shop portable train horns built for your battery platform, with multiple configurations, powerful sound, and no permanent installation required.
Customer stories
Real people. Real reactions.
See how the HONKUP Quad Train Horn turns everyday moments into unforgettable noise
150 DB
Maximum blastREADY TO USE
Just attach a compatible batteryHigh quality
Assembled in USATestimonials featured in videos or other promotional materials may include individuals who have received compensation, free product, or other incentives.