Black Train Horn for Car - 12V 150dB Dual Trumpet Air Horn Kit

In this review the Black Train Horn for Car is evaluated as a straightforward way to add a truly loud, train-like horn to a 12V vehicle. The bottom line is that it is best for drivers who want an attention-grabbing warning tone without carrying a bulky compressor: the kit uses a compact direct-injection mini compressor about the size of a coke can and delivers a 150dB dual-trumpet blast that is hard to ignore. Installation requires some basic wiring but most hardware is included, so it is suitable for DIYers comfortable with small automotive electrical projects.

Key Features

• Compact compressor: a direct-injection mini compressor the size of a coke can provides pressurized air without a large tank, keeping installation compact and simple.
• Powerful sound: the dual trumpet design produces a deep, clear 150dB train-like tone that is designed to get the attention of nearby drivers and pedestrians instantly.
• Comprehensive kit: the package includes the dual trumpet horn, compressor, air hose, mounting hardware, relay and wiring harness so most parts needed are available on arrival.
• 12V compatibility: works on any 12V system, making it suitable for many cars, motorcycles, boats, SUVs and off-road vehicles without extra adapters.
• Durable finish: black chrome trumpets and a zinc aluminum alloy construction resist rust and corrosion for longer service life in exposed mounting locations.

Who It's For

This horn kit is aimed at vehicle owners who want an aftermarket, very loud horn that mimics a train horn and who are comfortable doing or supervising a modest wiring and mounting job. It suits drivers of cars, SUVs, trucks, motorcycles and boats that run on a 12V electrical system and want a horn that stands out from a factory horn.

It is not ideal for buyers who expect plug-and-play perfection every time; some customers reported missing parts or incomplete instructions, and a small number experienced units that failed to work. If you need guaranteed flawless out-of-box operation or full professional installation included, consider a boxed option with verified fitment or professional install help.

Pros & Cons

Pros

• Very loud, clear train-like 150dB sound that commands attention.
• Compact internal compressor eliminates the need for a bulky air tank.
• Most installation hardware and wiring components are included in the kit.
• Weather-resistant zinc aluminum alloy trumpets with a black chrome finish look solid on a vehicle.

Cons

• Some buyers reported missing parts or unclear instructions, so check the package before beginning installation.
• A few customers found units that did not function, indicating variable quality control.

Specifications

Type	Dual trumpet air horn kit
Sound level	150dB
Power	12V system
Compressor	Direct-injection mini compressor (coke can size)
Included	Dual trumpet, compressor, hose, relay, relay socket, wire harness, fuse, inline fuse holder, button switch, mounting hardware, wiring instruction
Material	Zinc aluminum alloy trumpets with black chrome finish

Our Verdict

The Black Train Horn for Car is a solid choice for DIYers and vehicle owners who want an unmistakable 150dB train-like horn without installing a large air tank. It offers compact compressor convenience, a mostly complete parts kit and durable construction, but prospective buyers should inspect the box on arrival and be prepared for basic wiring; overall it gives strong value for those seeking a dramatic, attention-getting upgrade.

Frequently Asked Questions

Will this work on my car?
Yes, it is designed to work on any 12V electrical system, including most cars, SUVs, trucks, motorcycles and boats.

Is a big air compressor required?
No, the kit uses a small direct-injection mini compressor roughly the size of a coke can so no bulky air tank is needed.

Are all installation parts included?
Most parts needed are included in the package, but some customers have reported missing pieces or limited instructions, so verify contents before installation.