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⚠ This is a DIY build kit — YOU assemble it

You are buying a DIY kit of components, not a ready-to-use train horn. You will need to disassemble an impact drill and put it together yourself — expect 1–2 hours the first time you build one. Battery and charger are sold separately.

DIY Train Horn Gun Kit with Remote (Universal) - up to 150db - BossHorn
DIY Train Horn Gun Kit with Remote (Universal) - up to 150db - BossHorn
DIY Train Horn Gun Kit with Remote (Universal) - up to 150db - BossHorn
DIY Train Horn Gun Kit with Remote (Universal) - up to 150db - BossHorn
DIY Train Horn Gun Kit with Remote (Universal) - up to 140db - BossHorn
DIY Kit

DIY Train Horn Gun Kit with Remote (Universal) - up to 140db

All components included to build your own cordless train horn from a compatible impact drill. Step-by-step guide below.

$160.00
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Full Build Guide & What's Included

DIY Train Horn Gun Kit with Remote (Universal) – Up to 140 dB

The DIY Train Horn Gun Kit is the ultimate solution for anyone who wants to build a powerful train horn from their own drill. This kit is compatible with most brushless and brushed drills, allowing you to create a custom horn gun with up to 150 dB of extreme loudness. Complete with quad trumpets, a remote control, and all required components, this kit makes it simple to build your very own cordless train horn at home.

Key Features

  • Universal Compatibility — Works with most popular drill brands, both brushless and brushed models.
  • Extreme Loudness — Produces up to 150 dB of sound, louder than most vehicle horns.
  • Quad Trumpets — Authentic deep train-horn sound for maximum attention.
  • Remote-Control Convenience — Operate wirelessly with the included remote (up to 160 ft standard range).
  • All-Inclusive Kit — Comes with horns, compressor, harness, and remote—everything needed for assembly.
  • Optional Upgrade — Extreme Trumpets Upgrade available during checkout for an even bolder blast.

What’s Inside the Kit

  • Air horns assembly
  • Air compressor
  • Pre-built harness with remote signal receiver
  • Wireless Remote Control
  • Air pipe
  • 2 screws for mounting

Simple Assembly Guide

Building your impact train horn is straightforward. Follow these steps:

  1. Open the drill’s clamp shell and remove gears and motor.
  2. Fit the drill shell to match the air compressor.
  3. Install the new harness and connect the compressor to terminals.
  4. Attach the battery and test the compressor for proper operation.
  5. Screw the shell back and drill two mounting holes.
  6. Secure the horn mount with bolts and connect the hose.
  7. Enjoy your custom-built horn gun with up to 150 dB power!

Why Choose This DIY Train Horn Kit?

Unlike pre-built horn guns, this kit gives you the freedom to use your own drill while achieving the same earth-shaking loudness. It’s cost-effective, customizable, and ensures you get a truly unique, high-performance train horn.

Turn your drill into a 140 dB horn gun today with the DIY Train Horn Kit – loud, fun, and easy to build!

 

What You Also Need to Build It

These DO NOT come in the DIY kit. You'll need a compatible impact drill (to harvest the shell, gears, motor) and a battery + charger. Many customers already have these — if not, pick up what you need below.

Not into DIY?

Get a fully assembled BossHorn — ready out of the box

We build them for you. Same 140dB–150dB output, tested and guaranteed. Just snap in your battery and blast.

Shop Ready-Built HornsLoudest Horns (150dB)