The loudest train horn you can clip onto a battery.
Real impact-driver chassis. Quad metal trumpets. Powered by any cordless battery you already own — Milwaukee, DeWalt, Ryobi, Makita and 12 more.
- 150 dB measured at the trumpet
- Fits 16+ battery systems you already own
- Free US shipping · 30-day refund · 1-yr warranty
Save up to 24%
From box to first blast
Three steps. Under 90 seconds.
No wiring, no air tank, no compressor. Use a battery you already own — be the loudest thing on the block before your coffee gets cold.
1
1. Pick your battery brand
Milwaukee M18, DeWalt 20V, Ryobi ONE+, Makita LXT, Bosch, Ridgid, Bauer, Hercules, Hart, Craftsman, Kobalt, Flex — 16 systems supported.
16 brands · 1.5–12 Ah
2
2. Snap on the battery
Slot in any compatible pack with the same locking rail you use every day. No adapters, no rewiring, no extra tools.
Plug-and-play
3
3. Pull the trigger or hit the remote
150 dB. Instant. Re-trigger as many times as you want until the pack runs out — typically 600+ blasts on a 5 Ah battery.
160 ft remote · 2,000 ft upgradeBy sound profile
Pick by how you want it to sound
Three trumpet configurations, three different decibel ceilings and tones. Most owners go straight to Boss or Extreme.
130 dB
Dual
Two-bell stack, high pitch. Compact mount, lowest entry price — perfect for boats, golf carts, prank kits.
Shop Dual horns →
140 dB
Quad
Four-bell array, mid-pitch tuning. The mid-tier sweet spot for trucks, SUVs and Jeeps.
Shop Quad horns →
150 dB
Extreme / Boss
Hand-tuned reeds, mirror-polished steel bells, +40% power. Our flagship and best-seller.
Shop Extreme Series →Side-by-side
Dual vs Quad vs Extreme — at a glance
Same chassis, three sound profiles. The right horn for your use is usually obvious in 30 seconds.
Dual
- Sound130 dB
- Trumpets2 standard
- Best forBoats · golf carts · prank kit
- Remote160 ft included
- ToneBright, attention-grabbing
Quad
- Sound140 dB
- Trumpets4 standard
- Best forTrucks · SUVs · Jeep · UTV
- Remote160 ft included
- ToneMid-pitch, full-bodied
Extreme
- Sound150 dB
- Trumpets4 premium hand-tuned
- Best forStadium · car meets · max output
- Remote160 ft + 2,000 ft option
- ToneDeep diesel-locomotive
Not sure? Most owners pick Boss / Extreme — they keep it for life and never wish they'd gone louder.
By battery system
Already running one of these on your bench?
Every horn is built around a specific battery system. Click your brand and see only the horns that clip onto packs you already own.
Brand names referenced solely to describe battery compatibility. Trademarks belong to their respective owners. Train Horn Drill is not affiliated with, sponsored by, or endorsed by any tool manufacturer.
Bestsellers
What people are picking up this week
Four premium trumpets, +40% power, 150 dB diesel-locomotive note.
Our most-loved configuration: hand-tuned reeds, mirror-polished steel bells, sealed pump head that holds pressure between blasts. Snap on any Milwaukee® M18 pack and unleash the loudest portable horn we make.
- 150 dBPeak loudness
- 2,000 ftRemote range (upgrade)
- < 90 secBox → first blast
Risk-free promise
Try it for 30 days. We pay shipping both ways.
We've been hand-building these for 6 years. If your horn doesn't blow you away — literally — send it back for a full refund. No restocking fees, no return-merchandise authorization runaround. We cover the return label inside the US.
Shop the lineupWhy Train Horn Drill
Real specs, not marketing volume
Measured 150 dB
Peak SPL captured at one meter from the trumpet mouth on the bench. Not a press-release number.
Built on real impact-driver chassis
Steel gear case, hand-assembled. Not a 3D-printed lookalike pretending to be one.
16 battery systems supported
Milwaukee, DeWalt, Ryobi, Makita, Bosch, Ridgid, Bauer, Hart, Hercules, Kobalt, Flex, Skil, Worx, Porter-Cable, Craftsman, BLACK+DECKER.
Verified owners
What people say after the first blast
"Set it off in the driveway and the dog ran inside, and so did I. Way louder than I expected."
"I run M18 on the job already, so this was a no-brainer. Snap a battery on, pull the trigger, done. Build quality is real."
"Bought it for tailgates. Now my buddies all want one. Easy unboxing, working in two minutes flat."
"Trumpets are heavy, the trigger has a real click. Feels like a tool, not a toy. Worth every dollar."
"The chrome version mounted in the bed looks insane. Took it tailgating Saturday — instant celebrity status."
Quick answers
Before you check out
The questions every new owner asks. Get them out of the way in 60 seconds.
Is the battery included?
No — the kit is engineered around a battery you already own. Pick the listing that matches your existing pack (Milwaukee M18, DeWalt 20V, Ryobi ONE+, Makita LXT, and 12 more brands). Don't have one? We sell chargers, and there's also a universal DIY kit that works with any 18–24V pack.
How loud is 150 dB really?
Louder than a jet engine at 100 ft. Loud enough that you shouldn't be near the trumpet mouth without hearing protection. It cuts through highway noise, marina engines, and stadium crowds with no problem.
How long does one battery last?
The horn only draws current while you're holding the trigger. A 5 Ah pack will fire 600+ full-second blasts before it needs a charge. With a 12 Ah pack you can go all weekend without thinking about it.
Is it street-legal?
Most US states allow aftermarket horns up to 110–120 dB on public roads. Off-road, marine, private property, ranch, and event use is unrestricted. Mounted use on highways is your call — check your state laws. We make no representation that any specific use is legal in your jurisdiction.
Does it ship same day?
Yes — orders placed before 2 PM CT, Mon–Fri ship the same business day from our Texas warehouse. Free US shipping on every order. Most customers receive in 2–4 business days.
What's your return policy?
30-day money-back, no questions asked. We pay the return label inside the US. If something fails inside 12 months, we replace it under warranty. We've been doing this 6 years — we'd rather refund a horn than argue about one.
Still have a question? email us — replies within 2 hours
Customer shots
Real owners. Real installs. Real loud.
Tag #TrainHornDrill on Instagram or upload with your review.
About
Built one drill at a time, in a US shop.
We started Train Horn Drill because the existing options were either tank kits with hours of install, or no-name imports that died after a week. So we built something different — hand-assembled on real impact-driver chassis, sound-tested before it ships.
Today we ship to 50 states, every horn gets a real-air bench blast before the box gets sealed, and we mean it about the 30-day refund.
Read the full story →Horns shipped to verified buyers
Average customer rating across the lineup
US states served, plus international