2PCS 12V 300DB Super Loud Train Horn – Waterproof Snail Air Horn for Car, Truck, Motorcycle, SUV, Boat

Upgrade Your Vehicle with the Loudest Compact Train Horn on the Market

Make your presence known on the road. The 2PCS 12V 300DB Super Loud Train Horn delivers a powerful, deep train-like sound in a compact design, ensuring maximum safety and style for any vehicle. Waterproof, weather-resistant, and easy to install in under an hour, this horn is the ultimate upgrade for drivers who want volume, reliability, and durability.

Why Choose This 300DB Train Horn?

• Unmatched Power: Produces an ear-piercing 300DB sound – the loudest available for vehicles.

• Compact & Durable: Sleek snail design, built from quality metal and ABS materials that resist rust and oxidation.

• Easy Installation: No bulky air compressor required. Install in less than an hour with included accessories.

• Universal Fit: Perfect for trucks, cars, motorcycles, SUVs, and even boats.

• All-Weather Protection: Fully waterproof and weatherproof for reliable performance in any condition.

Features & Benefits

• Loud, clear, deep train-like tone for maximum road safety.

• Integrated direct-injection mini-compressor for instant sound power.

• Compact low-profile black design fits discreetly in any vehicle.

• High-quality build ensures long-lasting durability.

• Nearly half of customers install two pairs for double the loudness.

Perfect For

• Truck and SUV owners wanting maximum road presence.

• Motorcyclists needing added safety in traffic.

• Boaters requiring a powerful horn in marine conditions.

• Everyday drivers who want a reliable, loud upgrade from stock horns.

How to Use

1. Connect the horn to your 12V vehicle power source.

2. Mount securely using the included accessories.

3. Test by activating your vehicle’s horn button.

4. Enjoy instant, powerful sound and added safety.

Advanced Engineering & Design

Our 300DB Train Horn is built for performance and durability, featuring:

• Pure Copper Spiral Coil – ensures powerful, stable sound output.

• ABS Engineering Plastic Shell – lightweight yet resistant to heat, water, and corrosion.

• Super Loud Diaphragm – designed for deep, clear, long-lasting sound.

• Unique Polyphonic Cavity Design – amplifies sound resonance for maximum volume.

• High Fixed Mounting Bracket – keeps the horn firmly in place, even on rough roads.

• Convergent Horn Structure – focuses and projects sound more efficiently.

This engineering-driven design guarantees maximum loudness, reliability, and longevity, even under extreme conditions.

Product Details

• Material: ABS + Metal

• Volume: 300DB (high/low dual tone)

• Voltage: 12V DC

• Frequencies: Low 410Hz / High 510Hz

• Size: Approx. 9cm diameter, 9cm depth

• Color: Black

• Condition: 100% Brand New

What’s Included

• 2 x 12V 300DB Snail Air Horns (Pair)

• Installation accessories

• User manual