The Best Air Horns

The perfect upgrade for any vehicle from your car to an ATV to a yacht or other boat, air horns are a versatile accessory that can help keep you safe and attract attention in the case of an emergency. From triple trumpet styles to compact canned air, there's a wide range of options for everyone. If you're ready to make the leap and invest in a new air horn, check out our top favorites to find one that works for you.

Gampro 12V 150db Air Horn

Loud and Clear

This super-loud air horn easily attracts attention and comes at a great price.
Best Single

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Made from chrome-plated zinc, this airhorn emits a 150-decibel sound that is hard to miss. Whether you need a new horn for the highway, want to deter animals on the road, or simply want a louder option, this air horn is the perfect solution to your problem. From motorcycles to yachts to SUVs, this single-trumpet air horn will make sure you get noticed. With its high temperature-resistant base, copper coil, and chrome-plated metal case for durability, it’s super easy to install so you can start using it right out of the box.

Pros:

  • Comes with everything you need, including the air horn, compressor, air hose, mounting hardware, relay, relay plug, fuse, fuse holder, and manual
  • At 150 decibels, the air horn is a loud sound perfect for everything from boats to cars
  • The horn is compatible with all 12-volt vehicles

Cons:

  • The horn can be challenging to install without any experience

Carfka Air Train Horn Kit

Double Down

This double air horn is built for durability and attention grabbing.
Best Double

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Perfect for trains and trucks, this double air horn has a loud tone to get noticed, even on highways or during intense weather. Whether you choose to install it on the roof, inside the hood, or under the cab, the horn emits a 150-decibel sound that attracts attention when you need it. All of the installation hardware you need for this universal mount is included. It also comes with an easy-to-follow manual, so you can install it as soon as it arrives on your doorstep.

Pros:

  • The horn has an upgraded air compressor and large coil, delivering a louder and clearer tone
  • It’s compatible with most cars and other vehicles like yachts, boats, buses, and off-road vehicles
  • The horn’s wiring is straightforward so it’s easier to install

Cons:

  • Instead of a deep tone, this air horn emits a higher pitch
  • The instructions are only accompanied by a few photos

Coocheer 150DB Train Air Horn Kit

Get Noticed Easily

With four separate trumpets, this sound is hard to miss.
Best Triple

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This four-trumpet horn creates a 150-decibel blare that serves as the perfect warning sign. With a tone that can be heard across long distances or even through soundproofing, this kit has a 120PSI compressor that generates impressive power. Ideal for outdoor use thanks to its weather-resistant design, this air horn is simple and easy to install so you can start using it almost right away.

Pros:

  • The horn can be mounted to cars, trucks, motorcycles, boats, and more with the included hardware
  • It’s simple to install quickly, so you don’t have to worry about added time or headaches
  • At 150 decibels, the horn is louder than most factory car and boat horns

Cons:

  • The air compressor is a bit noisy when it first powers up
  • Installation may require some electrical knowledge

Better Boat Store Air Horn

Affordable and Portable

This canned air horn helps you attract attention when you need it.
Best Canned

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Perfect for emergencies, this compact air horn easily attracts attention. Designed for small boats, jet skis, and even kayaks and canoes, it meets the Coast Guard requirements for boats as large as 65 feet. You can also use it for other outdoor adventures like hiking or camping, so you always have a way to signal for help when you need it. It’s even small enough to stash in your pocket so you have an easily accessible safety horn.

Pros:

  • Unlike electric air horns, this doesn’t need any installation or wiring expertise
  • The horn can be heard from up to half a mile away
  • It’s easy to operate by simply pressing the button on top of the can

Cons:

  • Eventually, the pressure in the can runs out, though you can buy refill cans and keep using the same horn

Stebel Nautilus Compact Motorcycle Air Horn

Small But Mighty

What this air horn lacks in size it makes up for in power.
Most Compact

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This horn is all one piece to simplify and streamline installation. Instead of dealing with complicated relays and confusing wiring, simply attach this horn in just a few minutes for the volume you’ve been missing. Plus, at 124-decibels, this dual-tone horn works with any 12-volt system in your car, truck, golf care, ATV, and more so you can get the power you need no matter your vehicle.

Pros:

  • The horn has a harmonized twin tone sound so that it’s both loud and pleasant-sounding
  • The compact design doesn’t require an external air compressor or other additional hardware
  • It’s one of the smallest direct-drive horns available

Cons:

  • The mounting equipment isn’t heavy duty
  • The included instructions aren’t particularly detailed, which can complicate installation

Frequently Asked Questions

Do air horns run out?

Canned air horns will eventually run out of compressed air, which is what creates the horn sound. Air horns powered by an electric compressor can be used continuously without requiring a refill. Be sure to check the gas levels occasionally so you know when your canned air horn needs to be replaced.

Are air horns legal?

Installing an air horn in your vehicle is not illegal. In some states, however, a car will not pass inspection with an air horn. Be sure to check your state’s regulations if you plan on installing one on your vehicle.

What sound does an air horn make?

Air horns make a loud, deep tone that is created by compressed air. Like a trumpet, the compressed air is passed into a diaphragm that vibrates to create sound waves, which are then amplified by the horn to create a loud noise.

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