Top 10 Best Train Horn Kits You Should Buy In 2020 Review

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A train horn isn’t just good for truck drivers. It can be a great addition to any vehicle. Maybe you’re driving down the road, and an animal jumps out at you, or someone might be pulling into your lane. A train horn can warn those around you of your presence and help prevent an unnecessary accident.

In this review, we’re going to take an in-depth look at our top 10 favorite train horn kits and find the perfect one for you…

Best Train Horn Kit

Top 10 Best Train Horn Kit On The Market Reviews

ProductsDecibelsTrumpets
Compressor
Price
Rating
Decibels
150
Trumpets
4
Compressor
Included
Price
$$$
3.9 out of 5 stars (3.9 / 5)
Decibels
148
Trumpets
2
Compressor
Included
Price
$$$
4.5 out of 5 stars (4.5 / 5)

Decibels
140
Trumpets
3
Compressor
Sold Separately
Price
$$$$
4.5 out of 5 stars (4.5 / 5)

Decibels
150
Trumpets
1
Compressor
Included
Price
$
3.8 out of 5 stars (3.8 / 5)

Decibels
150
Trumpets
4
Compressor
Included
Price
$$$
3.5 out of 5 stars (3.5 / 5)

Decibels
150
Trumpets
1
Compressor
Included
Price
$
4.2 out of 5 stars (4.2 / 5)

Decibels
112
Trumpets
1
Compressor
Included
Price
$
4.3 out of 5 stars (4.3 / 5)

Decibels
150
Trumpets
1
Compressor
Included
Price
$
4 out of 5 stars (4 / 5)

Decibels
150
Trumpets
1
Compressor
Included
Price
$
4.3 out of 5 stars (4.3 / 5)

Decibels
140
Trumpets
3
Compressor
Sold Separately
Price
$$$$
4.7 out of 5 stars (4.7 / 5)

1 4 Trumpet Train Air Horn with 12 Volt Compressor and Kit Set for Vehicle Trucks Car SUV (Black) – Best Four Trumpet Train Horn Kit

The first train horn kit we’re going to look at is from Aceshin. This kit features a four trumpet horn that can produce up to 150 decibels of sound.

Aceshin has included a 1.59-gallon air tank and compressor in this kit. The air compressor self regulates and refills itself as you use the train horn.

Installation…

You will need to power this train horn kit through your vehicle’s 12V battery. The included wiring comes with relays allowing it to connect into your car’s ignition as well.

The compressor and trumpets are relatively small, allowing you to mount them in a variety of places. You will need to make sure they are within three feet of each other for optimal performance, though.

Simple connection…

To activate the horn, you can connect it up to your stock horn or use the included auxiliary button.

4 Trumpet Train Air Horn with 12 Volt Compressor and Kit Set for Vehicle Trucks Car SUV (Black)
Our rating:3.9 out of 5 stars (3.9 / 5)

Pros

  • All mounting hardware included.
  • Comes with a 1.59-gallon air tank.
  • Compressor included.
  • Four trumpet design.

Cons

  • The air tank could have a larger capacity.

2 Marco Super Loud 148DB Extreme Blast Premium Air Horn Car Truck SUV Black – Best Value for the Money Train Horn Kit

The next train horn kit comes all the way to us from Italy. Marco’s Extreme Blast features not only two trumpets but also two air compressors. When activated, it can produce sounds up to 148 decibels. The two trumpets vary from one to another slightly in length and create a sound similar to a semi-truck.

You might be worried that since you have two compressors, you need twice as much space. Don’t fret; these air compressors are tiny and have been designed so they don’t need separate air tanks.

To mount the air horn and compressors, Marco has provided a simple bracket with screws.

But there’s a catch…

Both compressors will be powered off your vehicle’s battery. While it comes with two relays, it does not come with any wiring to make a harness. We ended up purchasing some 14 gauge wire and a couple of 20-amp fuses to create a compatible harness ourselves.

On the plus side, this kit is designed in a way that doesn’t require any sort of oil maintenance and even comes with a two-year warranty.

Marco Super Loud 148DB Extreme Blast Premium Air Horn Car Truck SUV Black
Our rating:4.5 out of 5 stars (4.5 / 5)

Pros

  • Includes dual compressors.
  • Dual relays.
  • Only weighs 2.3kgs.

Cons

  • No electrical wiring or fuses included.

3 Grand General 69991 Chrome Heavy Duty Train Horn with Triple Brass Trumpet for Superior Sound – Best Triple Trumpet Train Horn Kit

The Grand General 69991 train horn features a triple trumpet design and can produce 140 decibels of sound.

Really looks the part…

Right out of the box, you’ll notice the quality chromed-brass finish of the trumpets. Grand General has mounted the 69991 on a durable stainless steel bracket as well.

The overall size of the three-piece trumpet and bracket is rather large, in our opinion. It comes in at 18” long by 13-1/2” wide and is 13-3/4” tall.

Take note…

Depending on your vehicle, you might not be able to fit this under your hood. We tested this kit out on a large SUV and found it to be a tight fit since you need to place an air tank and pump within reach.

You also need to make a wiring harness and connect up a compatible 1/4” hose. This kit requires a compressor that can maintain at least 70 to 140psi for it to operate as well.

Grand General 69991 Chrome Heavy Duty Train Horn with Triple Brass Trumpet for Superior Sound
Our rating:4.5 out of 5 stars (4.5 / 5)

Pros

  • Three-piece trumpet.
  • Made from chromed-brass.
  • Produces sound above 140 decibels.
  • Solenoid comes included.

Cons

  • Compressor, tank, wiring, relays, and hoses are not included.

4 Audew Train Horn-12V Single Trumpet Air Horn – Best Single Trumpet Train Horn Kit

This single trumpet horn from Audew can produce sounds up to 150 decibels in level. It is crafted from chrome-plated zinc and comes with an aluminum mounting base.

Audew has designed this train horn so it can operate without a separate air tank. The included compressor does all the work, leaving you with a consistent sound for as long as the horn is activated.

Installation is a breeze…

Audew has included 15” of hose to connect the trumpet and compressor together as well as a single relay, but that’s it. However, once you go out and grab some electrical wire, installation is a breeze. You can get this train horn up and running in under an hour.

We want to point out that the included mounting base should be placed somewhere away from moisture. While the material it is crafted from is robust, it is still susceptible to oxidation.

Audew Train Horn-12V Single Trumpet Air Horn
Our rating:3.8 out of 5 stars (3.8 / 5)

Pros

  • Single trumpet design saves space.
  • Made from chrome-plated zinc.
  • 150.2 decibels of sound output.

Cons

  • Aluminum mounting bracket may oxidize over time.

5 Juane 150DB Train Air Horn Kit for Trucks, 4 Trumpet Super Loud Air Horn – Best Space Saving Four Trumpet Train Horn Kit

Another exceptional train horn is this four trumpet kit from Juane. It can output sounds at up to 150 decibels and has a relatively mellow tone for a train horn.

This train horn might remind you of the first horn we looked at. It features trumpets of multiple lengths mounted on to a small bracket and comes with an air tank.

One unit…

Juane has crafted the air tank and compressor into one unit to save some space. Depending on how long you activate the horn, you can use the tank’s pressure up pretty quickly, though.

Thankfully, Juane has also included a pressure meter making it easy to diagnose any pressure problems you may have. The only other thing you must be aware of is that this air tank will need to be drained every so often through a petcock type fitting.

Relatively quick installation…

Installing this train horn kit can be done in under two hours once you make a wiring harness for it.

Juane 150DB Train Air Horn Kit for Trucks, 4 Trumpet Super Loud Air Horn
Our rating:3.5 out of 5 stars (3.5 / 5)

Pros

  • Well priced for a 4-piece trumpet horn.
  • Integrated air tank.
  • Compressor included.

Cons

  • Occasionally need to drain moisture from the air tank and compressor.
  • Not waterproof.

6 MIRKOO 12V 150dB Car Air Horn Kit – Best Budget Train Horn Kit

MIRKOO’s single trumpet train horn is another example to include an air compressor right in the box. It measures 17.3” in length and can produce 150 decibels of sound.

For such a tiny air compressor, it sure is powerful. You will notice that your horn may increase or decrease in decibels depending on how long you activate it, though.

Everything you could ever need for installation…

When it comes to finding your ideal train horn kit, you will have probably noticed that most do not come with any electrical wiring. MIRKOO has fortunately included all the wiring you could need to power and operate this train horn. This is especially surprising to see since this is the cheapest train horn in this roundup.

The included wiring is color coated for easier installation. It is connected to a waterproof 80 amp relay and incorporates a 30 amp fuse into the power wire. The red and black wires will run to your battery and ground. There are also blue and white wires available for attaching the relay directly to your stock horn.

MIRKOO 12V 150dB Car Air Horn Kit
Our rating:4.2 out of 5 stars (4.2 / 5)

Pros

  • Waterproof relay switch.
  • Wiring harness included.
  • Easy to mount.

Cons

  • Some wire splicing may be needed.

7 SUPER LOUD MARCO TORNADO Compact Air Horn for ALL 12V Vehicles: Motorcycles, Cars, & Trucks – Best Compact Train Horn Kit

Next up in our Best Best Train Horn Kit review, Marco is back again with their Tornado model horn. This might be the most compact horn out there, and yet it still provides up to 112 decibels of sound.

All train horns will have a compressor that takes up a tad more room under your vehicle’s bonnet. The Tornado is unique in the fact that the trumpet and compressor are integrated into one unit. It is exceptionally small and also very lightweight. And, when you go to mount this, you will have numerous options available to you.

But, where’s the bracket?

As you unpackage the Tornado, you will notice there is no mounting bracket. The Tornado only comes with one small screw and a relay.

The Tornado only has one single fixed mounting point, thus the reason for the single screw. However, we would definitely recommend fashioning a metal bracket of some sort to make this train horn as secure as possible.

You will also find a spot to mount the relay along the train horn’s bottom, but no wiring is included.

SUPER LOUD MARCO TORNADO Compact Air Horn for ALL 12V Vehicles
Our rating:4.3 out of 5 stars (4.3 / 5)

Pros

  • All-in-one design.
  • Lightweight.
  • Compact.

Cons

  • Only produces 112 decibels of sound.

8 VaygWay Air Horn 12v Loud-150DB Train Horn Compressor Kit – Loudest Single Trumpet Train Horn Kit

VaygWay’s single trumpet train horn is very shiny and produces 150 decibels of sound. However, we were able to get sound measurements over 160 decibels during our testing, so make sure you aren’t standing in front of this when it goes off.

Smaller yet louder…

Out of the box, you find a bright red air compressor that functions as an air tank as well. While it might not come with wiring, it does come with a water-resistant relay.

VaygWay’s train horn kit is also a bit smaller in size compared to some of the other single trumpet horns we have looked at.

Durability…

While testing this horn out, we did notice that some of the chrome platings around the mounting feet chipped off. This doesn’t affect the horn’s sound, but it does bring its durability in to question, somewhat.

VaygWay Air Horn 12v Loud-150DB Train Horn Compressor Kit
Our rating:4 out of 5 stars (4 / 5)

Pros

  • Easily noticeable.
  • Very loud.
  • Just over 4” tall air compressor.

Cons

  • Chrome-plating is prone to chipping.

9 GAMPRO 12V 150db Air Horn, 18 Inches Chrome Zinc Single Trumpet Truck Air Horn with Compressor for Any 12V Vehicles Trucks Lorrys Trains Boats Cars (Black)

Another kit that comes with wiring included is Gampro’s single trumpet 150-decibel train horn. This trumpet is just over 17” long and sits 3-1/2” tall.

The wiring harness is color coated, making installation a straightforward process. You will also have the option to connect this up to your stock horn’s wiring or an auxiliary switch.

Mounting…

This trumpet has two tiny mounting brackets located on it. You will find a small notch on the air compressor for attaching the included tab type mounting bracket.

Because of the small size of the trumpet and air compressor, you won’t have an issue tucking this kit away in a variety of locations. The only problem is that both trumpet mounting points and the compressors mounting tab seem rather flimsy.

Careful with placement…

You will definitely want to mount this somewhere that debris won’t accidentally hit it. The air compressor’s metal mounting tab was very bendable and could potentially snap off if twisted too much.

GAMPRO 12V 150db Air Horn, 18 Inches Chrome Zinc Single Trumpet Truck Air Horn
Our rating:4.3 out of 5 stars (4.3 / 5)

Pros

  • Wiring harness included.
  • Made from chrome-plated zinc.

Cons

  • Mounting brackets could be more durable.
  • Air compressor is not waterproof.

10 Outlaw Black Train Horn – Most Durable Train Horn Kit

HornBlaster’s Outlaw train horn is the last kit we are going to be looking at. It features a triple trumpet setup finished in matte black.

The Outlaw’s trumpet diaphragms are made from stainless steel, making them some of the most durable trumpets we have looked at. They produce a very deep sound at 140 decibels.

What’s in the box?

Well, besides the trumpets, you will only find mounting hardware and a 1/4” air hose in the box. You will need to buy a few more components for this horn to work.

Since this is the most expensive train horn in this roundup, we find it a tad concerning it doesn’t include a compressor, wiring, or an air tank.

Built for the road…

HornBlasters has really made this train horn from high-quality materials, though, so it will definitely be with you for a very long time. It is also probably the coolest looking horn we have come across.

Outlaw Black Train Horn
Our rating:4.7 out of 5 stars (4.7 / 5)

Pros

  • Very well made.
  • Produces a deep rich tone.

Cons

  • Expensive.

Best Train Horn Kit Buying Guide

Best Train Horn Kit Review

Decibels and Equipment

We like to take a look at a few things before we go out and purchase a new train horn kit for any of our vehicles.

The first thing that we like to check is how loud the horn is. The amount of volume that a train horn kit can make is measured in something called decibels.

Your typical stock vehicle horn will be between 100 to 105 decibels. The train horns that we’ve looked at all produce over 110 decibels, while some produce as much as 150 decibels.

What do you need?

For a train horn to blow as loud as possible, you will need a power supply, compressor, and oftentimes an air tank as well. Depending on what product you choose, you might find yourself needing to purchase one or more of the items mentioned above, separately.

Air compressors and air tanks will vary and can sometimes be integrated together. Not all train horn kits need an air tank, though, and can sometimes work off the compressor alone.

Mounting

Since you will not only need to mount your train horn’s trumpets but also the compressor and possible air tank, you need to consider how much room you have available.

Your air horn’s trumpets can usually be mounted in your engine compartment. They may also be mounted outside as well since they are typically resistant to weather damage.

Unfortunately, the same can’t be said for your compressor. Not all compressors are waterproof, so you need to make sure they are mounted in a dry location.

Installation and Wiring

Top Best Train Horn Kits

The train horn’s trumpets and the air compressor will attach together via an air hose. Some horns can only be placed so far from the compressor and still operate.

While a train horn might come with a precisely sized hose, you might be able to change it afterward. If you go for a larger or smaller sized hose, this can change the sound and the overall decibel count of the horn.

When it comes time to power your train horn, you will want to use a 12V battery. The easiest way to do this is to wire it directly to the battery of your vehicle.

What’s included?

Depending on the kit you end up choosing, the electrical wiring may or may not be included. If the manufacturer does include wiring, it will usually come with relays and possibly fuses for safety.

If no wiring comes with your train horn, you will need to head to an electrical store to purchase some. Wiring up your train horn is a reasonably straightforward process, fortunately.

We recommend 14 or 16 gauge electrical wire. If you have a relay, you can fashion a harness with the wiring and connect the horn directly up to your stock horn’s wiring.

With this type of setup, you will activate your train horn just as you would your stock vehicle’s horn. You can also purchase and wire in an auxiliary switch to have both the train and stock horn available to you.

Make a Noise…

If you like it loud, don’t miss our reviews of the Best UTV Sound Bars, the Best Exhaust Resonators, the Best Mufflers Reviews, the Best 5 Channel Car Amplifiers, the Best Component Speakers, the Best Hertz Speakers Reviews, and the Best Motorcycle Helmet Speakers you can buy!

If you didn’t find what you were looking for in this review, we also recommend checking out our Best Air Horns for Trucks review or our Best Loud Car Horns Reviews, depending on your vehicle.

Truck driver? Take a look at our reviews of the Best Pickup Truck Accessories and the Best Aftermarket Truck Bumpers currently on the market in 2020.

Back to train horn kits…

So, what is the Best Train Horn Kit?

The best of all these train horn kits, in our opinion, is definitely the…

Marco Tornado

It produces 112 decibels of sound, making it noticeably louder than your stock horn. While it may not be as loud as some of the other kits we have looked at, it is the most compact. The one-piece design makes it easy to place anywhere in your engine compartment or behind the front bumper.

You will need to go out and purchase some electrical wiring to get it up and running, though. However, it sits at a very competitive price point and even includes a two-year warranty.

Happy honking!

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