FARBIN Train Horn for Truck 12V 150 db Air Horn - Super Loud Single

In this review the FARBIN Train Horn for Truck 12V 150 db is evaluated for drivers who need a compact, hard-hitting air horn that fits most 12V vehicles. The bottom line: it delivers a very loud, attention-getting tone from a single 18' trumpet driven by an upgraded compressor, and it is best for owners who want an easy bolt-on way to upgrade horn volume without adding an external air tank. The reviewer found installation straightforward and build quality solid, while noting that tonal preference and long-term reliability varied among users.

Key Features

• High quality construction: The horn uses durable materials designed to work across a range of temperatures for longer service life.
• Wide vehicle compatibility: The kit is a general accessories train horn suitable for most 12V vehicles including cars, pickups, jeeps, trucks, SUVs, motorcycles and yachts.
• Very high volume: The single trumpet can produce up to 150 dB, making it hard for other road users to ignore the signal for improved presence.
• Upgraded compressor: The included compressor has a red copper coil and vacuum chrome plating for fast response and eliminates the need for a separate air source.
• Complete wiring kit: The horn comes with a custom safety relay harness and a wiring instruction picture to simplify installation for mechanically minded owners.

Who It's For

Drivers who want a compact, high-output horn that installs without an external air tank will appreciate this unit; it suits off-roaders, truck and SUV owners, and anyone who needs a louder warning device than a stock horn. The single trumpet design keeps the kit simple and easier to mount in tight engine bays while still producing a dramatic sound.

Those who want a richer multi-tone train-like blast or who prioritize an ultra-long-lasting commercial duty solution should consider heavier multi-trumpet systems or air-source setups; some buyers reported mixed long-term reliability and a tone that is higher pitched than expected, so tonal preference is worth testing before purchase.

Pros & Cons

Pros

• Easy to install with the provided safety relay harness and wiring diagram.
• Robust build quality that many buyers praised for feeling solid and well finished.
• Extremely loud output at up to 150 dB, useful for getting attention in traffic or off-road situations.

Cons

• Sound quality received mixed feedback; some users found it too high-pitched or not distinctly louder than their factory horn.
• A few reports noted inconsistent long-term reliability after repeated use, so durability may vary.

Specifications

Brand	FARBIN
Voltage	12V
Sound level	150 dB (single trumpet)
Trumpet length	18' single trumpet
Compressor	Upgraded compressor with red copper coil and vacuum chrome plating
Includes	Compressor, single trumpet, custom safety relay harness, wiring instruction picture

Our Verdict

The FARBIN 12V train horn is a practical choice for drivers who need a compact, very loud horn that installs without adding an air tank; its upgraded compressor and complete wiring kit make it good value for do-it-yourself installation. Buyers who want a specific tonal character or absolute commercial-grade longevity should consider multi-trumpet or tanked alternatives, but for general automotive use this kit balances output, build quality and ease of fitment.

Frequently Asked Questions

Will this horn fit my vehicle?
Yes, the kit is designed for 12V systems and fits most cars, pickups, SUVs, trucks, motorcycles and similar vehicles, but check mounting space for the 18' trumpet.

Does it require an air tank?
No, the included upgraded compressor provides the air supply so an external tank is not required.

Is installation difficult?
Installation is straightforward for someone comfortable with wiring; the kit includes a safety relay harness and a wiring instruction picture to guide the process.