Frequently Asked Questions
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Answers to the questions we hear most about voltage, fitting, sounds, shipping and returns. Tap a question to open it.
Voltage
Should I buy a 12V or a 24V horn?
Match the horn to your vehicle's battery system. Most cars, SUVs, pickups and bikes run on 12V. Most trucks and buses run on 24V. If you are not sure, check the label on your battery or ask your mechanic.
How do I see which voltage a horn works on?
Every product page shows a Voltage panel with 12V and 24V marked as supported or not supported. You can also filter any collection by voltage.
What does 12V/24V (dual voltage) mean?
One unit works on both 12V and 24V systems, so you do not need to choose a version. Many of our musical and truck air horns are dual voltage.
What happens if I fit the wrong voltage?
A 12V-only horn on a 24V system can overheat and be damaged. A 24V horn on a 12V system may sound weak or not work. Always check the voltage before you order and before you connect.
Compatibility
Does my vehicle need an air compressor?
Truck and bus air horns, such as our MSK range, run from the vehicle's onboard air compressor. Cars, SUVs and bikes usually do not have one, so you need an external compressor, or an electric horn with a built-in air pump such as our MT range.
Which horns suit cars, SUVs and bikes?
Electric horns and horns with a built-in air pump are the easiest fit for smaller vehicles. Air horns can also be fitted with an external compressor. Each product page lists the vehicles it suits.
Will the M-620 control box work with my horn?
The M-620 control box and the Digital Module are made to plug and play with 6-trumpet air horns. Send us a photo of your horn on WhatsApp if you are not sure.
Installation
What comes in the box?
It depends on the horn. Our 6-trumpet musical kits include a wiring kit (about 4 m of cable), an installation guide book, an air pipe with connector, and the digital controller. See the Specifications tab on each product page for the exact contents.
Can I install the horn myself?
If you are comfortable with vehicle wiring, yes. For a safe install, disconnect the battery first, use the correct fuse and relay, mount the trumpets away from heat and moving parts, and keep air pipes free of sharp bends. If you are not sure, ask a professional installer.
How do I check the wiring on a ROMEO musical horn?
Play the test sound (position A on the controller). It plays each trumpet for half a second. Six beeps mean all six trumpets are wired correctly. Fewer beeps point to a wiring issue on one trumpet.
Is it legal to use a loud or musical horn?
Horn laws are different in every country and emirate. Please check your local rules before you fit or use a loud or musical horn.
Sound options
How many sounds or melodies does a horn have?
It depends on the model, from a single tone up to 20 melodies on our ROMEO and Road Master musical horns. The number is shown on each product page.
How do I change the melody?
Our musical horns come with a digital controller. Press it to choose the melody you want.
Can I hear the horn before I buy?
Yes. Most product pages have a video, and we post sound recordings on our YouTube channel.
Do you have Christmas melodies?
Yes. The ROMEO 2.0 Jingle Bell horn and the Digital Module V3.0 include Christmas tunes. See our Christmas horns.
Shipping
Where do you ship?
We ship across the UAE and worldwide from our office in Dubai.
How much is shipping and how long does it take?
Shipping cost is shown at checkout before you pay. Delivery time depends on your country. Message us on WhatsApp for an estimate for your address.
Which payment methods do you accept?
Visa, Mastercard, American Express and PayPal, through a secure checkout.
Returns and warranty
Can I return a horn?
Yes. You can return unused items in their original packaging within 30 days, and we provide a free return label. Read our refund policy for the full details.
How do I start a return?
Contact us on WhatsApp or at superairhorns@gmail.com with your order number, and we will send you the return label.
Do your horns have a warranty?
Yes. Message us for warranty details for your horn.
Last updated: 7 November 2026
Still have a question?
Send us your vehicle and its voltage on WhatsApp, or email us. We are happy to help before you buy.