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Home /Train Horns for Bauer® 20v Battery/ Extreme Series Train Horn

Extreme Series Train Horn for Bauer® 20v Battery

Assembled in the USA using a genuine Bauer® impact driver housing and custom-engineered components with domestic and imported parts. Just insert your battery and it's ready to blast.

5.0 (1 reviews)
$365.00
Save $65.00 $430.00
Built in
The USA
150 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
2Ah Battery i
20V compatible · 200+ blasts per charge
1
+$30
Battery Charger i
20V compatible fast charger
1
+$30
Order within --:--:-- to ship today!
Order today — arrives before Father’s Day
Overnight shipping available at checkout
/
90-day money back

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

BossHorn by Horngun Corp., not affiliated with Harbor Freight Tools, states that this product is independently manufactured by Horngun Corp. and incorporates genuine Bauer® 20V tool platform housing purchased through authorized dealers. Bauer® is a registered trademark of Harbor Freight Tools, used here solely to identify the incorporated component. BossHorn / Horngun Corp. is wholly independent of Harbor Freight Tools.

Extreme Series Train Horn for Bauer® 20v Battery Features

  • Works with all Bauer® 20V batteries
  • Built from a brand-new Bauer® Impact Driver — not refurbished
  • Fitted with durable powder-coated metal trumpets for maximum resonance
  • Long-lasting battery life — enjoy hours of use from one charge
  • Delivers a booming up to 150db true train horn sound
  • Wireless remote range up to 160ft (and up to 2000ft with the long-range upgrade)
  • Same-day shipping for orders before 12 PM PST
  • Ready to blast right out of the box — just connect your Bauer® battery!

The Train Horn for Bauer® 20v Battery 20V is the ultimate fusion of raw power, modern design, and everyday convenience. Handcrafted with precision and equipped with high-output metal trumpets, this horn gun is perfect for car meets, sports events, outdoor adventures, or simply having fun. Whether you’re making a statement or sending a signal, this horn will be heard.

Key Features of the Train Horn for Bauer® 20v Battery

  • Handcrafted Excellence: Each Train Horn for Bauer® 20v Battery is individually assembled to ensure top-tier performance and durability.
  • Quad Trumpet Sound System: Four powerful trumpets work together to deliver a deep, commanding tone.
  • Battery-Powered Freedom: Cordless and portable — powered entirely by your Bauer® 20V battery.
  • Remote Control Operation: Operate your horn from up to 160ft away — perfect for events or crowd control.
  • Instant Activation: No setup or installation required. Simply plug in your battery and blast!
  • Bauer® 20V Compatibility: Works with all genuine or aftermarket Bauer® 20V lithium-ion batteries (sold separately).
  • Perfect for Any Occasion: Great for car shows, sporting events, camping, or emergencies.

The Train Horn for Bauer® 20v Battery delivers industrial-grade sound in a portable, user-friendly design. With its robust air compression system and signature 150db output, it’s one of the most powerful handheld horns available. Get yours today and experience the roar of true power!

Bauer® Train Horn for Events: Maximum Volume, Smart Safety

Whether you’re cheering at a football game, leading a parade, or making noise at a car meet, the Train Horn for Bauer® 20v Battery delivers the sound you need to energize any crowd. Built from a real Bauer® tool, this rechargeable horn gun produces a thunderous tone that cuts through any background noise — perfect for outdoor fun or attention-grabbing moments.

Why Choose the Bauer® 20V Train Horn?

1.    Ultra-Loud up tp 150dB Output: The Train Horn for Bauer® 20v Battery roars with a sound intensity rivaling an actual train horn.

2.    Wireless Control: Activate your horn from a safe distance with the pre-synced remote control.

3.    Heavy-Duty Design: Crafted from a genuine Bauer® Impact Driver for unmatched reliability and style.

4.    Rechargeable and Portable: Powered by Bauer®’s long-lasting 20V lithium-ion battery platform.

5.    All-Purpose Functionality: Ideal for celebrations, sporting events, safety alerts, and emergency signaling.

Safety First

The Train Horn for Bauer® 20v Battery is incredibly powerful — up to 150 decibels — so it must be used responsibly. Protect your hearing and those around you by following these guidelines:

  • Always wear hearing protection when using the horn.
  • Do not use the horn close to people, pets, or indoors.
  • Use the wireless remote for distance operation and aim the horn away from crowds.
  • Avoid continuous long blasts to prevent hearing damage.


Bring the Noise. Command Attention. Own the Power — with the Train Horn for Bauer® 20v Battery by BossHorn.

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
Extreme Series Train Horn for Bauer® 20v Battery
Extreme Series Train Horn for Bauer® 20v Battery
$365.00$430.00
$365.00$430.00
150DB
Max Volume
1.5 miles
Audible Range
160ft
Remote Range
4.9★
Customer Rating
// How It Works

Fully Assembled. Ready to Blast.

Arrives pre-built as a complete tool — just snap in your battery and hit the remote.

1

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.

2
BOSSHORN

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.

3

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.

Loudest Model
Best Value
2026 New Release
Up to
150dB

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"

Audio Demo
⚠ Turn your volume down first!
No speaker, headphones, or phone can reproduce the real volume — it's much louder in person
0:00
// Real Customers. Real Reactions.

Seen in the Wild

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// 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 20V Battery

Your BossHorn runs on standard Bauer® 20V batteries — the same ones powering millions of 20V 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 20V tools? You're ready to go. New to the platform? 20V 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 20V batteries
Aftermarket 20V 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 1.5 miles

Remote Control

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

Power System

Battery PlatformBauer® 20V
CompatibleAll 20V: 2.0–12.0Ah
Aftermarket BatteriesYes — any 20V-compatible
Blasts (6Ah)500+ short / 200 sustained
Battery IndicatorLED on body
Deep DischargeAuto-cutoff at 15%

Construction

Base UnitBrand-New Bauer® 20V 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 "2Ah Battery" option in the add-ons section above the Add to Cart button. We sell affordable aftermarket 20V-compatible batteries that work perfectly with your Bauer® horn. Already own Bauer® 20V 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 1.5 miles. 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 2Ah 20V 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 Bauer® 20V battery from 2.0Ah to 12.0Ah — including aftermarket 20V-compatible batteries. Already own Bauer® power tools? Your existing batteries will work.
Every Extreme 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.
Bauer® Extreme 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 20V battery you own.
Splash-Resistant — don't submerge it. Store indoors when not in use. The Bauer® 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.