Train Horn For Semi

Built for Power and Control

BossHorn’s train horn for semi pairs a high-output compressor, real metal trumpets, and our custom control PCB to deliver raw volume with safety in mind. The PCB offers three selectable volume levels, motor overheat protection, and battery deep-discharge cutoffs. Units accept batteries from 15+ major tool brands and include wireless triggering up to 2,000 feet. Hand-assembled in the U.S., each system is designed so drivers can grab, clip on a compatible battery, and sound a reliable, attention-grabbing blast without drilling into the cab.

Durable, Ready-to-Go Performance

Train horn for semi users get a no-install solution that’s portable and road-ready. The kit feels solid—metal trumpets, rugged compressor, and a tactile wireless remote—so you hear a clean, familiar train note that carries. Use cases: a highway safety alert for blind corners and a deterrent for animals at night. Expect quick attach, instant power with a brand battery, and predictable performance after repeated blasts.

Why This Matters

Looking for a powerful, cordless train horn for semi that won’t need complex mounting?

We design and hand-assemble every horn in the United States.

We use original cordless-drill components so parts feel and perform like the tools you trust.

Our custom control board protects motors and batteries so the horn stays ready when you need it.

Wireless range and selectable volumes were developed from real-world truck and field feedback.

Every unit ships ready to use, often without needing extra parts beyond a compatible battery.

Choosing a train horn for semi means picking a system built around portability, safety features, and real metal trumpets that cut through traffic noise—perfect for professional drivers and solo operators who need immediate, reliable audible warning.