Best Car Horn in 2021 – Reviews and Buying Guide

The Farbin Waterproof Auto Horn provides the best of both worlds. On the one end, its 130dB voice level is loud enough to force others on the road to give way. On the other, its 12V power consumption is low enough to not weigh heavily on your car’s battery.

What’s more, the utility of this alarm isn’t limited to passenger cars. Its classic design means you can as easily fit it on trucks, motorcycles, and all-terrain vehicles. We have also seen it on pocket bicycles, off-road vehicles and even karts. The good news continues.

You can also count on this horn to keep going for years. Mainly because its high-quality ABS shell can withstand rain, dust storms and other outdoor elements. It is also protected by a fixed bracket iron sheet that doesn’t let road debris make its way to the horn.

What is it that separates these horns from others you see in this review? Start with their tone. One that sounds like nothing else you get from other horns. It is also loud enough to guarantee that your car has the maximum attention of every other thing that moves on the road.

Then comes their black coated metal body. It protects the horns from scratches and also keeps rust and corrosion at bay. Equally useful is the red protective grill. You can count on it to shield the horn’s inner components from dirt, dust and moisture particles. 

 Everything you need to get these horns up and running is included in their kit. That includes 2 horns (1 low-tone, 1 high-tone), one 12V relay, and a couple of mounting brackets. You’d also get a booklet of instructions telling you how to mount this horn. 

The Wolo Loud One Horn is designed for the faint-hearted. It produces a low tone noise that works best in dense city traffic, on highways and in the middle of the night. You won’t hear any complaints from your neighbors about the loudness of this product.

Which is what makes it a must-have for those of you who didn’t have any problems with their factory horn, but have to replace it for the simple reason that it broke down. And for those who are now looking for a horn that could mimic its factory counterpart in both tone and loudness.

Yet another area where this product will rival its predecessor is durability. Steel and plastic construction has provided it with years of hassle-free service. The former will keep rust and corrosion at bay and plastic will make its presence felt with its waterproofing qualities. 

The Zone Tech 12V isn’t your average aftermarket horn. Mainly because those horns aren’t capable of producing sound as loud as 150dB. Which is what this model does. But also because their voice can’t be heard two miles down the road. Which is how much distance its sound covers.

You might find it surprising to note that, despite its ultra-loud sound, this horn is exceptionally affordable. It also boasts great build quality and can be mounted on any 12V DC vehicle on the road. That’s why you may have noted its presence on trucks, vans, cars and tractors. 

That this horn can be installed on your car’s roof means you’re saved from the trouble of making modifications under the hood. Though we still suggest hiring a professional as the installation process isn’t as straightforward as one may think of it. 

Most ultra-loud horns you see on the market use a bulky air compressor. One which takes their sound level north but makes the entire structure bulky and difficult to install. This is why we were surprised to note that Petsply didn’t use its 300dB sound level as an excuse to use an air compressor.

Instead, what these horns use to generate massive sound is a small electromagnetic device. One which you won’t even be able to notice unless you decide to look closely. And which can be credited not only for this horn’s loud sound but also for its ease of installation. 

What’s more, while this horn relies on 24V power supply, you can as easily hook it up with 12V SUVs, passenger cars, motorcycles and ships. However, if you’re concerned about your neighbors’ opinion of yourself, we suggest not using it in your street.  

What we really liked about this horn is its uncomplicated design. No complicated wiring, no unnecessary relays and no added fuses. The only that that is there is a circular coil. One that looks more like a tape measure than a horn, let alone one that can emit 112dB sound.

Apart from its massive sound, yet another feature of this horn that you cannot guess by looking at its design is its two-tone functionality. That is right. You can operate this horn either at low tone (330Hz) or at the high tone (400Hz). This makes it suitable both for city traffic and empty highway roads.

Equally impressive is this model’s ease of installation. With no fuses or wiring to send your mind into a tizzy, you simply have to remove your old horn and hook the ground and power to the PIAA horns. The entire process is so straightforward it shouldn’t take more than half an hour. 

One may have many concerns about this car horn set. You can point out the fact that it’s smaller than other models on the market. Or that it isn’t as affordably priced as some of the other models out there. But you can have no complaints when it comes to its sound and build quality.

Start with sound. This middle-priced product is capable of producing both high and low tone sounds. It can produce a maximum sound level of 118 decibels, which is enough to ‘convince’ other people on the road to give your vehicle the way.

Then comes its build quality. Unlike many other horns out there that want you to believe their word about their sturdiness, SEGER gives proof. Its horns meet European ECE R-28 and EEC70/388 quality control regulations. You can thus count on this product to withstand abuse. 

Here’s another budget-friendly horn that offers high-end features. Foremost among which is its super-loud 150dB sound level. It ensures that when you honk the horn, no one on all four sides of your vehicle will be able to ignore it.

This air horn is easy to install too. Farbin has made sure of that by providing it with the harness using which you can get it up and running manually. That means there’s no need for you to hire a professional or take your car to the mechanic. 

This model’s design takes things one step further. It has a built-in air pump and therefore requires no air source on the car. You’re thus saved from placing an ugly looking air compressor on your vehicle’s roof. What more can you ask for!

The first thing you might want to note about this horn kit is that it’s available in three versions. The first two versions – which are designed for Honda and Toyota vehicles respectively – cost the same. That isn’t the case with the third ‘universal’ version. It is the most expensive of the three.

The model we’re reviewing here is made for Toyota vehicles. It can churn out 118dB of sound level and comes with a specific connector for the Japanese brand’s cars. Other items that form its kit include one low tone horn and one high tone horn.

To further sweeten the deal, it meets strict ECE requirements. This horn also exceeds OEM requirements for passenger cars, heavy-duty trucks and off-road vehicles. Throw into the mix its moneyback guarantee, and you don’t have any reason to complain about it. 

Do other drivers refuse to take you seriously on the road? Want to get a horn that will force them to give way? Then you might want to check out the Carfka Air Train Horn Kit. This best car horn upgrade has too many features forcing others to take note of its presence.

Foremost among which is its 150dB sound level, which makes this air horn at least 40dB louder than other models you see on the market. Then comes its copper and zinc construction. Both these materials combine to provide this horn with a long and trouble-free shelf life.

They’re followed by its 30-day moneyback guarantee and 1-year warranty. Both of these are examples of the level of trust Kafka has placed in this horn. They also show that if anything goes wrong with this product, the chances of which are pretty slim, you won’t have anything to lose.