Boss Series Train Horn for Milwaukee® 18v Battery
Assembled in the USA with custom-engineered components and a precision power-tool-style housing — domestic and imported parts. Just insert your battery and it's ready to blast.
⚠ WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more info: P65Warnings.ca.gov
- Works with any Milwaukee® M18 battery — no adapters needed
- Handcrafted with a rugged, ergonomic power-tool-style housing
- 4 metal trumpets — real train horn sound up to 150db
- Wireless remote control — up to 300ft range (up to 2000ft with long-range remote)
- All-day battery life on a single M18 charge
- Same day ship-out
- Ready to use out of the box — just snap in your battery!
The Loudest Portable Train Horn That Runs on Your Milwaukee® 18v Battery
Meet the Boss Series — our most powerful drill-powered train horn designed to work with the Milwaukee® M18 platform. This isn't a cheap air horn or a novelty noisemaker. It's a handcrafted, competition-grade portable train horn that delivers a thundering 150db blast you can hear from blocks away.
Every unit is built by hand with a precision power-tool-style housing, fitted with four precision metal trumpets and a high-output compressor. The result? A real train horn sound that turns heads at tailgates, off-road trails, sporting events, and anywhere else you need to make a statement.
What Makes the Boss Series Different
- Premium power tool housing: Each horn is handcrafted with a precision power-tool-style housing — not a generic plastic shell. Premium ergonomic grip and lasting durability. Milwaukee® is a registered trademark of Milwaukee Tool. BossHorn is not affiliated with or endorsed by Milwaukee Tool.
- 150db quad-trumpet output: Four metal trumpets push serious volume. This battery-powered air horn rivals full-size truck horns without the permanent install.
- Wireless remote control: Trigger your horn from up to 300ft away — perfect for pranks, events, or hands-free operation. Upgrade to the long-range remote for up to 2000ft.
- Zero setup required: No wiring. No air tanks. No installation. Snap in any Milwaukee® M18 battery and you're ready to blast. The ultimate grab-and-go train horn kit.
- All-day runtime: The M18 platform delivers hours of use on a single charge — far outlasting disposable air horns or cheap alternatives.
- Compact & portable: Sized like a power tool, this handheld train horn goes anywhere — your truck, boat, RV, ATV, or stadium seat.
Built for Real-World Use
Whether you call it a drill train horn, a battery-powered air horn, or a portable train horn — the Boss Series delivers where it counts. It's the go-to choice for:
- Tailgating & sporting events — rally the crowd with a blast that fills any stadium
- Off-road & overlanding — signal across trails, campsites, and open terrain
- Boats & marine use — a reliable, loud horn that doesn't need a permanent mount
- Emergency signaling — 150db cuts through any noise when you need to be heard
- Pranks & fun — let's be honest, that's why most people are here
What's in the Box
- 1x Boss Series Train Horn for Milwaukee® 18v Battery (fully assembled)
- 1x Wireless remote control (300ft range)
- Battery NOT included — compatible with any Milwaukee® M18 battery (sold separately)
Milwaukee® and M18™ are registered trademarks of Milwaukee Tool. BossHorn is an independent company and is not affiliated with, endorsed by, or sponsored by Milwaukee Tool.
Upgrade your sound. The Boss Series Train Horn for Milwaukee® 18v Battery is the loudest, most reliable portable horn on the market — engineered for people who refuse to be ignored.
Fully Assembled. Ready to Blast.
Arrives pre-built as a complete tool — just snap in your battery and hit the remote.
Unbox & Snap In Your Battery
Arrives fully assembled — a complete tool, not a kit. Just insert a matching battery and you're good to go.
Trigger or Remote — Your Call
Pull the trigger on the tool itself, or blast from a distance with the included wireless remote (up to 300ft). Long-range 2,000ft remote also available.
Instant Blast
No delay, no warm-up — real train horn sound the moment you press. Three loudness levels for any task: Dual, Quad, and Extreme.
Real train sound. In one hand.
"Your neighbors' car alarm just became the second loudest thing on the block"
Seen in the Wild
Patent Pending Technology
Volume Control
3 adjustable levels
Overheat Protection
Auto shut-off at 185°F
Battery Protection
Prevents deep discharge
See It. Hear It. Want It.
Works With Any M18™ Battery
Your BossHorn runs on standard Milwaukee® M18™ batteries — the same ones powering millions of M18™ tools worldwide. No proprietary battery, no lock-in. Pick any capacity from 2.0Ah to 12.0Ah. The higher the Ah, the more blasts per charge. Already own M18™ tools? You're ready to go. New to the platform? M18™ batteries start at $30 and work across 200+ tools.
See the Difference
Same price range. Completely different league.
| Feature | Boss Series | Others |
|---|---|---|
| Price | $365 | $355 |
| Sound Output | 150 dB | 130 dB |
| Perceived Volume | 4x louder | 1x |
| Trumpets | 4 (tuned) | 2 |
| Remote Range | 300 ft (2,000 ft avail.) | 160 ft |
| Remotes Included | 1 | 0 (extra cost) |
| Volume Control | ✓ 3 Levels | ✗ |
| Overheat Protection | ✓ | ✗ |
| Battery Protection | ✓ | ✗ |
| Built in USA | ✓ | Unknown |
| Warranty | 1 Year | ✗ |
| Return Policy | 90 Days | 30 Days |
Technical Specifications
Sound
Remote Control
Power System
Construction
Where to Use It
Sporting Events
Electrify the stadium. When your team scores, the entire parking lot will know.
Tailgating
The ultimate party starter. Remote-trigger from your lawn chair. Be the legend.
Trucks & Off-Road
Mount it or hand-hold. Louder than any factory or aftermarket horn on the road.
Boats & Marine
Fog signal, dock arrival, or just pure fun on the water. Audible for a mile.
Camping & Hiking
Bear and wildlife deterrent. Recommended by outdoor experts for backcountry safety.
Emergency Signaling
Audible up to 1 mile. Alert rescue teams when every second counts.
Construction Sites
Shift change signal, safety alerts, or just getting everyone's attention. Fast.
Content Creation
Prank videos, reaction content. This is your viral moment on TikTok & YouTube.
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