5-Trumpet Train Horn for Milwaukee® 18v Battery

Handcrafted in the USA using a genuine Milwaukee® impact driver housing and custom-engineered components. Just insert your battery and it's ready to blast.

4.93 (15)
$270.00
Built in
The USA
dB Train Sound
1-Year Warranty
Pre-built Standalone Tool
No Installation · No Drill Needed
Color: Black
Trumpets · LOW PITCH
Aluminum Alloy 2×14" + 2×12"
Customize Your Kit
INCLUDED
Remote Control (300ft) i
1 included free · extra remotes +$35 each
1
FREE
Long-Range Remote (2,000ft) i
Pro-grade range for events & large venues
1
+$59
6Ah Battery i
M18™ compatible · 500+ blasts per charge
1
+$30
Battery Charger i
M18™ compatible fast charger
1
+$30
Free Shipping, ships today
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Free 90-day returns
BossHorn by Horngun Corp., not affiliated with Milwaukee Electric Tool Corporation, states that this product is independently manufactured by Horngun Corp. and incorporates genuine Milwaukee® M18™ tool platform housing purchased through authorized dealers. Milwaukee® and M18™ are registered trademarks of Milwaukee Electric Tool Corporation, used here solely to identify the incorporated component. BossHorn / Horngun Corp. is wholly independent of Milwaukee Electric Tool Corporation.
  • Works with any Milwaukee® M18 battery
  • Made from a brand new drill
  • Has metal trumpets
  • Super long-lasting from 1 charge
  • Produces 150db train sound
  • Up to 160ft remote control operating distance
  • Same day ship-out
  • Ready to use from the box. Just secure the battery.

Discover the Milwaukee® Air Horn, your ultimate choice for a portable and potent M18 train horn gun. Engineered to produce an attention-grabbing sound that reaches far and wide, this device is your go-to for making a bold auditory statement.

Key Features:

1. Handcrafted Design: Each unit undergoes meticulous handcrafting to ensure exceptional durability and reliability.

2. Five Trumpets: Five powerful trumpets deliver a resounding and attention-commanding sound, ideal for outdoor activities and events.

3. Battery-Powered: Say goodbye to the hassle of power outlets and cords. The Air Horn operates on batteries, giving you the freedom to take it anywhere.

4. Remote Control Module: With the included remote control module, you can activate the horn from up to 160ft away, making it perfect for various settings and scenarios.

5. User-Friendly: The Train Horn's intuitive design allows for easy one-handed operation, ensuring a hassle-free experience.

6. Milwaukee® M18 Battery Compatibility: Power this device with Milwaukee®'s M18 batteries (sold separately), providing the reliability of a trusted brand.

7. Perfect for Outdoor Activities: Whether you're camping, hiking, or attending a sporting event, this premium train horn guarantees to make a resounding statement.

The Milwaukee® Air Horn is the epitome of versatility and dependability, whether you need to signal, have some fun, or stand out from the crowd. Don't miss the chance to experience the sheer power of sound – get yours today!

Free U.S. ShippingAll orders ship free. Overnight available at checkout.
Same-Day DispatchOrders before 12:00 PM PST ship the same day with full tracking.
90-Day Money BackNo questions asked. Full refund + free return shipping.
InternationalShipping costs calculated at checkout. Duties may apply.
1-Year Full WarrantyComplete coverage on every Horn Gun we sell. No fine print.
15-Minute RepairsShip it or bring it in. Our technicians fix it on the spot.
Hassle-Free ProcessNo runaround. Contact us, ship it, get it back fixed.
Warranty covers the Horn Gun unit only. Batteries and chargers are not included.
No Maintenance RequiredBuilt tough. No servicing needed under normal use.
Avoid OverheatingGive short breaks during extended continuous use.
Remove Battery When StoredPrevents accidental activation and preserves charge.
Store in Cool, Dry PlaceSplash-resistant but not waterproof. Keep away from prolonged moisture.
Complete Your Kit
Most customers add these for the best experience
5-Trumpet Train Horn for Milwaukee® 18v Battery
5-Trumpet Train Horn for Milwaukee® 18v Battery
$270.00
$270.00
140DB
Max Volume
1 mile
Audible Range
160ft
Remote Range
4.9★
Customer Rating
Loudest Model
Best Value
2026 New Release
Up to
140dB

Real train sound. In one hand.

60 dB
Normal Conversation
100 dB
Car Horn
120 dB
Rock Concert
150 dB
BossHorn

"Your neighbors' car alarm just became the second loudest thing on the block"

// Exclusively at BossHorn

Patent Pending Technology

Volume Control

3 adjustable levels

Low110 dB Med130 dB Full150 dB
*Actual output may vary depending on battery charge level

Overheat Protection

Auto shut-off at 185°F

SafeWarmCut-off
Smart sensor → auto-cutoff → cooldown

Battery Protection

Prevents deep discharge

Auto-cutoff at 15% → preserves battery health
These features are patent pending and exclusive to the 2026 Boss Series. No competitor offers this technology at any price.
// Your Batteries. Your Horn.

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.

2.0Ah
Compact
4.0Ah
Standard
5.0Ah
Extended
6.0Ah
500+ blasts
8.0Ah
High Output
12.0Ah
All Day Power
All M18™ batteries
Aftermarket M18™-compatible
LED low battery indicator
Auto-cutoff at 15% — protects battery
Boss Series vs. Everyone Else

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
// Full Technical Data

Technical Specifications

Sound

Max Output140DB
Volume Levels3 levels (full, medium, soft)
Sound TypeFreight Train Horn Deep Low Tone
Trumpets4× Aluminum Alloy, Powder Coated
Sound DelayZero — Instant
Audible RangeUp to 1 mile

Remote Control

Standard Range160ft
Long-Range (optional)2,000 ft
Remotes Included1 (160ft range)
Remote Battery23A 12V (included)
Frequency433 MHz Encrypted

Power System

Battery PlatformMilwaukee® M18™
CompatibleAll M18™: 2.0–12.0Ah
Aftermarket BatteriesYes — any M18™-compatible
Blasts (6Ah)500+ short / 200 sustained
Battery IndicatorLED on body
Deep DischargeActive protection

Construction

Base UnitBrand-New Milwaukee® M18™ Impact Driver Body Shell
HousingImpact-Resistant Polymer
Thermal ProtectionSmart Motor Overheating Protection
Water ResistanceSplash-Resistant
Weight4lb (w/o battery)
Dimensions14" x 6" x 12"
One Horn. Endless Possibilities.

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.

// Everything You Need to Know

Got Questions?
We've got answers.

Can't find what you're looking for? Chat with us

The horn does NOT include a battery — it's available as an add-on right on this page. Just check the "6Ah Battery" option in the add-ons section above the Add to Cart button. We sell affordable aftermarket M18™-compatible batteries that work perfectly with your Milwaukee® horn. Already own Milwaukee® M18™ tools? Your existing batteries will work too.
Up to 140 dB with 3 levels (full, medium, soft). Uses 4× Aluminum Alloy, Powder Coated for an authentic freight train sound. Audible up to 1 mile. Hearing protection recommended at close range.
Yes — use the soft volume level indoors. Full power is for outdoor use only. Always wear hearing protection.
With a 6Ah M18™ battery: 500+ short blasts or ~200 sustained 2-second blasts. Easily lasts an entire game day, tailgate, or event. Higher Ah = more blasts. Smart Motor Overheating Protection.
Any Milwaukee® M18™ battery from 2.0Ah to 12.0Ah — including aftermarket M18™-compatible batteries. Already own Milwaukee® power tools? Your existing batteries will work.
Every Quad Series includes 1 (160ft range) wireless remote (433 MHz Encrypted, battery included). Want more range? Add the Long-Range Remote (up to 2,000ft) from the add-ons. You can use multiple remotes at the same time.
Milwaukee® Quad Series horn gun body (4lb), 4× Aluminum Alloy, Powder Coated, 1× wireless remote (160ft). Dimensions: 14" x 6" x 12". Battery and charger sold separately — add from the add-ons or use any M18™ battery you own.
Splash-Resistant — don't submerge it. Store indoors when not in use. The Milwaukee® body shell is impact-resistant polymer, built tough for outdoor use.
Legal to own and use on private property in all 50 states. Road/vehicle use varies by state — check your local laws. Popular for tailgating, boating, off-road, farms, and sporting events.
Every BossHorn comes with a 1-year warranty. If something goes wrong, contact our support team and we'll work with you to resolve the issue. Plus a 90-day money-back guarantee if you're not satisfied.
Boss Series (2026): 150 dB, 1× 300ft remote, 3 volume levels, patent-pending tech. Extreme Series: 150 dB, 2× 200ft remotes, 3 volume levels. Quad Series: 140 dB, 1× 160ft remote, 4 trumpets, great value. Dual Series: 130 dB, 1× 160ft remote, 2 trumpets, compact entry-level option.
Orders placed before 2 PM PST ship the same day. Free standard shipping (1–5 business days). Need it faster? Overnight shipping is available at checkout.