FARBIN Black Air Horn for Truck Train Horn for Car - Loud Dual Trumpet

In this review the FARBIN Black Air Horn is evaluated as a bolt-on horn upgrade for 12V vehicles that want a much louder, attention-grabbing signal. The bottom line: it is best for drivers who need a compact, high-volume horn without installing a large air tank, because the integrated compressor delivers fast response and lets the dual trumpets reach very high sound levels. Installers who want a straightforward kit with a button and relay will appreciate the included hardware and the durable materials used in the horn.

Key Features

• Durable construction: The horn tube uses ABS polymer and the base is aluminum alloy with black paint for corrosion resistance and longer service life.
• Integrated compressor: The upgraded compressor contains a long red copper coil for fast response and compact operation without a bulky air canister.
• High output: The dual trumpet design is built to produce extremely loud sound so the vehicle is noticed in traffic and at intersections.
• Wide compatibility: Designed for any 12V vehicle, it can be fitted to cars, trucks, SUVs, vans, motorcycles and marine vessels with appropriate mounting points.
• Complete kit: The package includes a relay, wiring harness, switch button, nuts, bracket and instructions to make self-installation practical for DIYers.

Who It's For

The FARBIN air horn is aimed at drivers who need a louder-than-stock horn and prefer a compact system that avoids installing a separate air tank. It suits pickup owners, off-road drivers, truck operators and anyone who wants a more assertive audible warning on a 12V vehicle.

It is less well suited for buyers who need a precisely specified decibel guarantee or commercial users who require documented long-term lifespan testing. Also, those who want plug-and-play assurance for every wiring component may want professional wiring verification since some buyers report mixed experience with harness and relay assembly.

Pros & Cons

Pros

• Sturdy materials and black-coated aluminum base give a professional, durable feel.
• Integrated compact compressor eliminates the need for a separate air cylinder and simplifies installation.
• Generally easy to install with the included relay, bracket and button for DIY fitment.
• Designed to be compatible with a wide range of 12V vehicles for flexible use.

Cons

• Sound quality and loudness receive mixed reports compared with the advertised peak level, so expectations should be tempered.
• Some customers report occasional issues with the wiring harness or relay components requiring troubleshooting or replacement.

Specifications

Brand	FARBIN
Power	12V compatible
Material	ABS horn tubes, aluminum alloy base
Compressor	Integrated compact compressor with red copper coil
Sound level	Advertised up to 150dB (customer reports mixed)
Kit contents	Relay, wiring harness, nuts, bracket, switch button, instructions

Our Verdict

The FARBIN Black Air Horn is a practical, value-oriented upgrade for 12V vehicle owners who want a compact, high-output horn without installing a separate air tank. It combines durable materials and an integrated compressor with a mostly straightforward kit; buyers should be aware that perceived loudness and wiring quality vary, but for the price it is a sensible choice for DIY install and improved on-road presence.

Frequently Asked Questions

Will this horn fit my vehicle?
It is designed for any 12V vehicle including cars, trucks, SUVs, vans and boats, but check mounting space and wiring compatibility before purchase.

Does it require an air tank?
No, the included upgraded compressor supplies air so a separate bulky cylinder is not required.

Is installation difficult?
The kit includes a relay, wiring harness and switch button to simplify DIY installation, though some users report needing to troubleshoot wiring or relay issues.