3 Liter Train Horn Kit 4 Trumpets 150 PSI Air Compressor 1 Gallon Tank TH3154

The 3 Liter Train Horn Kit is a complete onboard air horn system designed for trucks, cars, semis, and custom vehicles requiring maximum sound output. This kit includes a powerful 150 PSI air compressor, a 1-gallon (3 liters) air tank, and four metal trumpets that deliver a deep, thunderous train-style blast.

Built for reliability and extreme volume, this all-in-one system is ideal for safety signaling, show vehicles, off-road use, and custom automotive builds.

Key Features

• Complete onboard train horn system
• Four trumpet train horns for maximum sound output
• Heavy-duty 150 PSI air compressor
• 1-gallon (3 liters) air tank for consistent air supply
• Produces a deep, powerful train-style sound
• Suitable for trucks, cars, semis, RVs, and off-road vehicles

Specifications

• Air Tank Capacity: 1 gallon (3 liters)
• Compressor Pressure: Up to 150 PSI
• Horn Type: 4-trumpet train horn
• Power Supply: 12V DC
• Application: Trucks, cars, semis, utility and off-road vehicles
• Installation: Vehicle-mounted onboard system

What’s Included

• 4 × Train horn trumpets
• 1 × 150 PSI air compressor
• 1 × 1-gallon (3L) air tank
• Air lines and fittings
• Mounting hardware

Notes

• Professional installation recommended
• Check local regulations regarding horn use and sound levels
• Intended for off-road, safety, or permitted use