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Loudest Electric Horns for Car


A horn is mostly a device that produces sound and is usually mounted for vehicles like trains, cars, buses and so on. Car horns are electric most of the time and are drive by a circular steel diaphragm that is flat and has an electromagnet that is pulling it in one direct and another spring that is pulling it in another direction. The latter is most of the time attached to a contact or contact points as it will repeatedly interrupt the supply of electricity to the magnet which in return will cause the diaphragm to spring back the other way and thus completing the circuit again. This arrangement will make sure the circuit is opened and closed about a hundred time per second and will thus create a loud noise which can then be amplified by a horn to create the “honk” sound everyone is familiar with. Electric horns usually uses about 5 to 6 amperes of electricity and produce a sound level of approximately 107-109, however some can even go beyond that around the 140-160dB. The horns can be used one at a time but most of the time, they are also set up in pairs so as to produce 2 notes at a consistent interval. Called frequency pairs, the latter are designed on the 500 Hz and even 405 Hz to 420 Hz.

Nowadays, cars and motorcycles use smaller and cheaper alternatives which retains the name “horn’ but abandons the actual horn ducting and focuses onto larger diaphragms to reach the desired sound level.


PIAA 85115 Superior Bass Horn

PIAA is one of the newer emerging air horn manufacturer. And being new, they sure are innovative and know their stuff. Let’s see the pros and cons of this air horn.


Pros and Cons

First of all it is super light and extremely easy to install with two wires. In addition to that they resist the weather well especially rain and in some cases even floods, as long as you make sure to wash them to get the mud out.  The sound is rather loud too if you are a fan of loud horns and make sure not to have your ear next to it when it honks.

The only con we could find is that you can accidentally loosen the nut when fitting it which may change the original sound output of the horn completely.


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Vixen Horns Loud 139dB Powerful Dual-Tone Compact Electric Air Horn

Vixen is a well-known brand that manufactures all kind of horns, from air to electric horns.


Pros and Cons

The pros of this electric horn is that is has a dual tone which is quite pleasant. The power source being 12V makes it almost universal meaning you won’t have any difficulties in installing and wiring it. The horn is also made up of heavy duty material which makes it strong as well as protected from rusting. There is also a maintenance free compressor meaning you won’t have to maintain it every time you drive. It is designed especially for vehicles that has minimum space for horns and thus this can be fitted easily but works in larger vehicles as well. If you are a sound amateur then known that his electric horn is as twice as loud as other factory made ones. In addition to that, to achieve that sound level, no air tubes or external air supply (air tank) is needed meaning no additional costs for you. Lastly, it doesn’t consume that much battery either making it cost-effective.

The con we found was that sometimes the quality could be inconsistent and not as described but for the sound part it does the job.

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VGEBY Electric Snail Horn Loudspeaker 115DB 

VGEBY is one of the innovative brands in terms of electric horns around.


Pros and Cons

The pros of this electric horn is firstly the dB it can produce which is around 115 and that is pretty good. The sound is as clear as it is loud and can be both used to startle and caution people of approaching vehicles. Coming in its 12V format, the latter makes it pretty universal since most cars use 12V adaptors since it has a low power/current consumption while producing at the same time a high performance. Made in the snail shape appearance, the latter is waterproof and best of all dust proof. One of the best things about it is that is can be mounted onto most types of vehicles, bikes and even trucks if needed.

As a matter of fact, we found no cons with this product.

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SoundOriginal 12Volt Loud Car with Automotive Relay Electric Horn

SoundOriginal is another one of the new and innovative brands around.


Pros and Cons

The pros of this electric horn is that it is dual done is compatible from cars, trucks to motorcycles. Coming in it 12V form, makes it pretty much universal since most cars use this kind of adaptors. Also coming at 125dB, means that the sound level is above average and as we tried, we found it pretty clear as well and not broken sound. The electric horn is also water resistant so you don’t need to fret about driving on a rainy day. The latter is also made so as to resist rusting as well as a maintenance free compressor meaning you won’t have to check on a daily basis.

As a matter of fact, we found no cons with this one.

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Now that we’ve reached the end of this review, it is time to reveal our pick. So the one we would most like bet on if we had to choose if the SoundOriginal 12Volt Loud Car with Automotive Relay Electric Horn. The reason for this choice is simply because it has no con. In addition to that, it comes in its 12V form and with a sound level at 125dB, it is simply one of the best you can get.