10 Best train horns for trucks (2025)

This Pickup Lorries Trains Cars Boats is a top choice in . Customers appreciate its quality, performance, and value.

• 【Premium Quality, Unique】Our train truck horn kit has a unique exterior design, with four speakers arranged neatly, excellent sound quality, and stable frequency. The horn kit is made of high-quality zinc alloy materials to ensure maximum strength and durability. It is can withstand harsh weather conditions or extreme temperatures with trusted quality and lifespan.
• 【Super Loud 】The air horn kit for trucks and trains can reach a volume of 178 decibels. Four horns work together to issue a super high warning, audible from several miles away. With such a strong sound, it is the most effective and safest way to alert others of your presence.
• 【150 PSI Air Compressor】This air horn comes with a 3L / 0.8 gallon 12V maintenance free heavy duty air compressor with integrated air filter. Equipped with automatic safety protection design, the compressor will automatically stop pumping when the internal air pressure reaches 100 PSI.
• 【Easy Installation】Our train truck horn kit for car is easy to install, Complete mounting hardware, hose, fuse and clear instructions are included. Professional installation assistance won’t be needed. You can use them anytime and anywhere.
• Customer first, if you have any questions, please contact us, we will serve until you are satisfied.

• 110 PSI Air Source - The 3-liter air source included in this kit operates at 110 PSI. The Flatlaw sounds great at 110 PSI!
• Compact Design: The reengineered configuration allows the horns to lay flat, providing more installation options without sacrificing sound quality. It's the perfect solution for those who desire the big sound of the Outlaw horn but have limited space available.
• Efficient Air Source: The included M3 3-Liter air source unit provides an ample air supply to power the train horns. With its compact size, it can fit into tight spaces while still delivering enough air for 3-4 seconds of honk time.
• Complete Kit: The Flatlaw kit comes with everything you need to get started right away. It includes a 3-liter air source unit, pre-installed high-flow valve on the horns, and all necessary components for a hassle-free installation.
• Easy Installation: The kit comes with straightforward installation instructions, making it easy for both professionals and DIY enthusiasts to set up. With a couple of hours, you'll have the Flatlaw train horn kit up and running on your vehicle.

• 【300DB Super Loud】: Are you still suffering from the original car speakers sounding flat or not waterproof? Our snail horn has an internal reflow design with a loudness of up to 300DB, which can give you a loud and clear sound to warn others and keep you safe behind the wheel.
• 【High Quality Material】: This car snail horn is made of high quality ABS material, which is strong and high temperature resistant and can guarantee the working stability and reliability of electrical components. We use tungsten contacts with excellent electrical conductivity, which greatly extends its service life.
• 【Easy to Use】: The high woofer is equipped with brackets and screws, and the reasonable combination of equipment makes it easy for you to install. You only need 12V power to install it and it can produce clear and loud sound for your car.
• 【Universal Fit】: Waterproof horn decoration is widely used in cars, motorcycles, small yachts, some trucks, go-karts, SUVs, buses and 12V power cars, which is an ideal car tool for your car and let you enjoy a good driving experience.
• 【Service Guarantee】: We will try our best to provide customer good quality at great cost and create you a more enjoyable driving experience. Please feel free to contact us at first if there is any problem when you receive or use our products. We are always here to support you.

• 【Excellent quality】The Train horn kit comes with a stylish exterior, featuring four horns arranged neatly in a row. It produces high-quality sounds with a steady frequency, all made from top-grade zinc alloy material. This ensures strength, longevity, and resilience against harsh environmental conditions, be it extreme weather or temperatures
• 【Super loud】Trucks and trains equipped with the air horn set can unleash a deafening 180-decibel roar, courtesy of four collaborative horns. This massive sound wave travels far and wide, making it the most reliable and safest method to make your presence known and avoid any mishaps
• 【150 PSI Air Compressor】This air horn features a 12V, 3L/0.8-gallon, heavy-duty air compressor, maintenance-free and equipped with a built-in air filter. It boasts an automatic safety shut-off system, halting the pumping process once the internal pressure surpasses 100 PSI
• 【Simple installation】Our car train horn set is a breeze to install - everything you need, from hardware to hose, fuse, and clear-cut instructions, is in the box. No need for expert help, DIY anytime, anywhere
• 【12V Vehicle Universal】The Air Horns are a fantastic addition to any truck or van, offering compatibility with all 12V-powered vehicles including cars, boats, tractors, and even motorcycles, ensuring a loud and clear signal wherever you go

• Heavy duty chrome train horn with true train horn sound at 140+ decibels
• Chromed brass trumpets with stainless steel brackets
• Operating range from 70 PSI to 140 PSI and up, 12V / 24V Multi-Voltage electric solenoid valve
• Requires air tank and 1/4 inch inner dimension hose (not included) for installation
• Optional accessories (not included) Train horn floor mount stand & air valve lever sets available in 4" (GG 69977), 7" (GG 69979) and 11" (GG 69982), Heavy duty electric solenoid valve (GG 69993)

• 150DB Train Horns Kit: Our train horn kit delivers a robust 150dB sound with strong penetration. Ideal for long-distance driving, sharp turns, and adverse weather conditions. It effectively alerts cars, pedestrians, and animals. The electric train horn kit includes 4 trumpet air horns, a solenoid valve, a 0.8-gallon tank, a compressor, and pipes. (Note: Power switch and cord not included.)
• 90-120 psi Air Compressor: The compressor operates within a 90-120 psi range, with a sensitive gauge for real-time pressure monitoring. It automatically inflates at below 90 psi and stops at over 120 psi to prevent overpressure. The tank maintains optimal air pressure, enhanced with fuses for compressor protection and a drainage plug for easy water release.
• Strong Air Tightness: The train horn kit for trucks is made from heavy-duty zinc alloy and steel with anti-rust coating. The truck train air horn kit is corrosion-resistant, impact-resistant, and wear-resistant. The air compressor features a non-leakage structure and a tightly welded air tank to minimize leakage risks.
• Shock Absorption and High-Temperature Resistance: The 4 trumpet train horn kit includes a thick rubber cushion for noise reduction and enhanced stability when installed between the tank and vehicle bottom. The PA gas pipe withstands temperatures up to 120℃, and the motor is equipped with a 100℃ temperature control overload protection, ensuring safe operation in various weather and road conditions.
• Universal 12V Compatibility: Our train horn kit is designed for any vehicle with a 12V battery system, making it suitable for trucks, SUVs, cruise ships, and more. Its universal compatibility ensures ease of use without concerns about incompatibility.

• Tank Capacity: 1 Gallon (3 liter)
• Quad Trumpet Train Air Horn
• Working Pressure: 90 PSI (ON) - 120 PSI (OFF)
• Thermal Overload Protection
• Pressure Switch, Air Gauge, Fittings, Hose, Fuse, Horn Button and Mounting Hardware Included

• [Materials of Air Horn]: Our air horn is made of excellent chrome-plated zinc and high-quality ABS plastic, which is waterproof, wear-resistant and corrosion-resistant, so you can still use the air horn without worry even on rainy days. The purpose of our products is to let you use them for a long time, so you don't need to worry about its quality.
• [Easy to Install]: Our train horn kit is very easy to install. You just need to connect the horn wire on the car and the two wires from the air horn, and it will work normally Positive to positive, negative to negative(The installation instructions for the product are attached to our products, and you can install them by checking the instructions).
• [600DB Super loud]: The upgraded air compressor and larger coil can be made into stronger air pressure, which promotes louder and clearer sound from the horn
• [Widely used]: The air horn is suitable for all 12V vehicles, Can be used for SUV, motorcycle, yacht, boat, off-road vehicle, bus, train, etc.
• [Comprehensive Service]: If there is any problem with our products, you can send us an email as soon as possible, we will solve the problem brought to you perfectly within 24 hours. If you have any questions about our products or better suggestions for improvement, you can still tell us, we will be grateful.

• 🚨 Compact Yet Mighty: The Mini Outlaw packs the power of larger systems into a compact design, delivering a booming multi-tone blast at 120 PSI. It’s small enough to fit in tight spaces, making it ideal for vehicles with limited installation areas.
• ⏱️ Quick Recovery Performance: Equipped with a high-quality air compressor, the system refills in roughly 35 seconds, allowing for back-to-back honks without delay. Perfect for demanding situations where you need consistent sound delivery.
• 🛠️ All-in-One Installation Kit: This kit comes fully equipped with a pre-wired and pre-plumbed air source unit, a 3-liter air tank, pressure switch, tank-mounted air gauge, airline, complete wiring kit with 40A relay, and all the mounting hardware you need for a simple, hassle-free install.
• 🚗 Universal Vehicle Compatibility: Designed to fit a wide range of vehicles, including cars, trucks, SUVs, and motorcycles. Its compact design allows it to seamlessly integrate into your vehicle, even in tight spaces.
• 🎵 Attention-Grabbing Multi-Tone Sound: Produces a bold, authentic train horn sound that gets you noticed and adds an aggressive tone to your vehicle’s personality. Whether it’s alerting distracted drivers, warning animals on the road, or ensuring safety in emergencies, this horn delivers every time.