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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 Ryobi Train Horn
DIY Ryobi Train Horn
DIY Ryobi Train Horn
DIY Ryobi Train Horn Kit with Remote - up to 150db - BossHorn
DIY Train Horn Kit for Ryobi® 18v Battery - BossHorn
DIY Kit

DIY Train Horn Kit for Ryobi® 18v Battery

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 for Ryobi® 18v Battery Kit with Remote – Build Your Own 140 dB Powerhouse

Transform your Ryobi® drill into an ear-shattering train horn with the DIY Train Horn for Ryobi® 18v Battery Kit with Remote. Designed for enthusiasts, creators, and thrill-seekers, this kit includes everything you need to assemble a 140 dB cordless air horn that stands out at sporting events, parades, or on the road.

What Makes This Kit Unique

Unlike generic horns, this kit is purpose-built for Ryobi® impact drills, delivering a custom fit and extreme performance. With four tuned trumpets and an included wireless remote, you get both massive sound and total convenience in one package.

Core Benefits

  • Up to 140 dB Output — Authentic train-like blast heard from extreme distances.
  • Remote + Trigger Control — Activate instantly from the drill handle or up to 160 ft away.
  • All-in-One Package — Compressor, horns, harness, receiver, remote, hose, and hardware included.
  • Fits Ryobi® 18V Drills — Engineered to work with most Ryobi® impact drill housings.
  • Upgrade Option — Extreme trumpet upgrade available at checkout for maximum resonance.

What’s Inside the Box

  • Four-trumpet horn assembly
  • High-output air compressor
  • Pre-wired harness with remote signal receiver
  • Wireless remote control
  • Durable air hose
  • Mounting hardware (2 screws)

Simple DIY Assembly Steps

Building your horn is straightforward—even if you’ve never done it before. Just follow the included guide:

  1. Disassemble your Ryobi® drill shell and remove gears, motor, and harness.
  2. Fit the shell to accommodate the compressor (grinder may be helpful).
  3. Install the new harness and connect the compressor terminals.
  4. Reassemble the drill shell and secure the horn mount with bolts.
  5. Attach the air hose from compressor to trumpets.
  6. Insert battery, test operation, and enjoy your new horn.

Where to Use Your Train Horn

With 150 dB of raw power, this Ryobi® DIY horn kit is perfect for:

  • Sporting events and tailgates to rally the crowd
  • Car shows and parades for a unique attention-grabber
  • Construction sites for signaling and safety alerts
  • Boating or off-road adventures where volume is key
  • Emergency situations where you need to be heard instantly

Why Choose This Kit

The DIY Train Horn for Ryobi® 18v Battery Kit isn’t just a project—it’s a game-changer. You get unmatched sound, portability, and the satisfaction of building your own horn with professional-grade components. Skip the weak air canisters—this is the real deal.

Order today and start building your Train Horn for Ryobi® 18v Battery with same-day ship-out!

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)