FARBIN 12V/24V Air Horn 4 Trumpet 150DB - Super Loud Train Horn

In this review the FARBIN 12V/24V Air Horn is assessed for drivers who want a true train-style blast and robust hardware for street or offroad use. The single biggest reason to consider it is sheer volume and presence: the four trumpet design and upgraded compressor deliver a layered, 150 dB peak sound meant to carry well in traffic and open spaces. Installation is straightforward for someone comfortable with basic wiring, and the kit includes the wiring harness, relay and a push button so it can be used alongside an existing horn.

Key Features

• Four trumpet design: creates a richer, more threedimensional train horn sound compared with dual trumpet horns for better longrange audibility.
• Upgraded compressor: vacuum quenching and thickened copper coils improve response and claim over 100,000 cycles for longer service life.
• Rugged construction: zinc alloy trumpets and chrome finish resist weather and maintain appearance under harsh conditions.
• Complete kit: includes four trumpets, compressor, air tube, relay, wiring harness, horn button and mounting hardware so no extra parts are needed for a standard install.
• Wide operating range: designed to work on 12V systems (also noted as 24V compatibility) and operate in extreme temperatures down to -55 and up to 85 degrees.

Who It's For

This horn kit is best for truck, SUV, jeep and boat owners who need an attentiongetting signal for heavy traffic, work sites or emergency situations and who want a full kit that is ready to mount. It also appeals to DIY installers who can follow a wiring diagram and mount the compressor and trumpets behind a grill or on a vehicle frame.

Those who need a subtle upgrade or a quieter, legal city horn may want to look elsewhere, since this product is designed for powerful, longrange sound and may be too loud for dense urban neighborhoods or for drivers seeking a mild increase in tone only.

Pros & Cons

Pros

• Powerful, layered 4trumpet sound intended to reach over 150 dB at close test distance for strong longrange warning.
• Complete accessory pack and included horn button simplify installation and reduce the need to source parts.
• Durable materials and upgraded compressor construction aim to deliver long service life and weather resistance.

Cons

• Reported customer experience on loudness and build quality is mixed, so actual performance may vary and some units might not meet every user's expectation.
• Very loud output makes it unsuitable for drivers who need a subtle or cityfriendly horn option.

Specifications

Our Verdict

The FARBIN 4 trumpet air horn is a strong value for drivers who want a dramatic, longrange warning device and a largely complete DIY kit. It combines a distinctive multitone train sound with a beefy compressor and weatherresistant finishes, making it a practical choice for trucks, SUVs and boats; buyers seeking a quieter or citycompliant upgrade should consider alternatives.

Frequently Asked Questions

Will this work on a 12V vehicle?
Yes, the kit is designed to operate on common 12V systems and is noted as compatible with 24V setups.

Does the kit include everything needed for installation?
Yes, it ships with four trumpets, compressor, air tube, relay, wiring harness, horn button and mounting hardware.

Is the horn waterproof for outdoor mounting?
The trumpets and compressor are made from zinc alloy and copper coil components and are described as weather resistant, but careful mounting and sealing is recommended for prolonged marine exposure.