GAMPRO 12V 150dB Single-Trumpet Car Air Horn 18in Chrome-Zinc (Black) with 12V Copper Compressor & Relay Kit

The GAMPRO 12V 150dB single-trumpet air horn is an 18-inch chrome-plated zinc horn with a high-speed all-copper compressor designed to deliver an unmistakably loud alert for any 12V vehicle.

This compact, heavy-duty horn kit pairs an 18" chrome zinc trumpet with a 12V, 5000 RPM copper compressor and a relay wiring kit, producing up to 150 decibels of sound while resisting rust and wear. Built for trucks, cars, boats, and off-road machines, the unit is supplied with installation instructions and a no-break relay for safer wiring. The chrome vacuum plating and durable materials aim to extend service life while keeping the system straightforward to fit to most 12V platforms.

How loud is this horn and where is it effective?

The horn produces up to 150 dB, making it one of the louder single-trumpet options available. That intensity is designed to cut through traffic noise and open-air environments for clear alerts.

• Maximum sound pressure around 150 dB for strong auditory presence.
• Single 18-inch trumpet gives focused, far-reaching projection.
• Suitable for road, marine, and off-road warning applications.
• Not intended for prolonged indoor use due to high sound levels.

What materials and components ensure durability?

The trumpet is vacuum chrome-plated zinc to resist corrosion, while the compressor uses an all-copper construction for rapid response and longevity. The kit’s relay and wiring are designed to reduce electrical stress and simplify a reliable installation.

• Chrome-plated zinc trumpet for rust resistance and polished finish.
• All-copper compressor rated at 5000 RPM for quick actuation.
• Vacuum chrome plating to increase wear resistance and lifespan.
• Custom relay wiring kit with no-break design for safer hook-up.

How easy is it to install on my 12V vehicle?

The kit includes a relay wiring harness, mounting hardware, and step-by-step instructions with photos to help guide a do-it-yourself fitment. Basic wiring skills and common hand tools are typically sufficient for most car or truck installations.

• Relay wiring kit reduces risk of wiring errors and overloads.
• Included instructions and photo demonstrations simplify setup.
• Mounting brackets and hardware supplied for secure attachment.
• Compatible with any vehicle electrical system operating at 12V.

Which vehicles and uses work best with this horn?

Any vehicle with a 12V electrical system can accept this horn, from compact cars to heavy-duty trucks and recreational boats. It’s also adaptable for special uses like portable warning devices or custom off-road builds.

• Cars, SUVs, vans, pickup trucks and commercial lorries.
• Boats, yachts, ATVs and off-road vehicles that use 12V systems.
• Can be repurposed for portable or auxiliary alert devices.
• Not compatible with non-12V electrical systems without a converter.

Who is this for: The GAMPRO 12V 150dB air horn suits drivers who need a powerful, compact warning device that installs on any standard 12V vehicle. It appeals to truckers, marine operators, off-road enthusiasts and DIY mechanics who value long-lasting materials, a loud single-trumpet tone, and a straightforward relay-assisted installation. If you require a high-volume alert with corrosion-resistant hardware and clear setup guidance, this horn kit is built to meet those expectations.