150dB 4-Trumpet Air Horn 12V/24V – Car, Truck, Boat, Motorcycle

Turn Heads with a Thunderous 150dB 4-Trumpet Air Horn

Upgrade your vehicle's alert system with this powerful 4-Trumpet Air Horn, engineered to deliver a commanding 150dB train-horn sound in a compact, sleek black zinc body. Whether you're driving a car, truck, boat, or motorcycle, this universal horn is built to be heard — loud, clear, and unmistakable.

Specifications

• Color: Black
• Material: Zinc alloy
• Sound Output: 150dB
• Voltage: 12V / 24V (universal)
• Overall Size: 345mm × 155mm × 165mm
• Trumpet Lengths: 165mm, 225mm, 290mm, 345mm
• Trumpet Width: 90mm
• Made in China

Fitment

Compatible with cars, trucks, boats, and all types of motorcycles. Works with both 12V and 24V electrical systems, making it a truly universal upgrade.

Key Features

• 🔊 150dB thunderous output — unmistakable train-horn tone
• 🎺 4-trumpet design with a glistening black finish for bold style
• ⚡ Dual voltage support — works on 12V and 24V systems
• 🔩 Zinc alloy construction — durable, long-lasting, corrosion-resistant
• 📡 Extremely stable frequency — consistent, high-quality sound every time
• 🔧 Simple solenoid valve wiring — connect positive/negative leads to the solenoid valve (no polarity required)
• 📦 Includes necessary hardware for installation (installation instructions not included; professional installation recommended)

Installation Notes

• Connect the positive and negative power leads to the two wires on the solenoid valve (no polarity distinction needed).
• Connect the air tap on the solenoid valve to your vehicle's air/gas source — ensure there are no air leaks.
• Please verify compatibility with your vehicle before purchasing.
• Professional installation is strongly recommended if you are unfamiliar with vehicle horn installations.

What's in the Box?

• 1 × 4-Trumpet Air Horn (black)
• Necessary mounting hardware

For general vehicle safety information, visit the U.S. Consumer Product Safety Commission (CPSC) for guidance on aftermarket vehicle accessories and electrical safety.

Frequently Asked Questions

Q: Is this 4-trumpet air horn compatible with both 12V and 24V vehicles?

A: Yes! This universal air horn supports both 12V and 24V electrical systems, making it suitable for a wide range of vehicles including passenger cars, trucks, motorcycles, and boats.

Q: Do I need special tools or professional help to install this air horn?

A: The kit includes the necessary mounting hardware. However, because this horn connects to your vehicle's air/gas source and electrical system via a solenoid valve, professional installation is strongly recommended — especially if you are not experienced with vehicle electrical or air system modifications. Note that installation instructions are not included.

Q: How loud is this air horn and what does it sound like?

A: This horn produces a massive 150dB output with a deep, tuned train-horn tone across all four trumpets. The four trumpets (ranging from 165mm to 345mm in length) work together to create an extremely stable frequency and full, resonant sound that carries over long distances.

Q: What material is the horn made from?

A: The trumpets are crafted from zinc alloy with a glistening black finish, providing excellent durability, corrosion resistance, and a premium look for any vehicle.