gopupu 12V Dual-Tone Electric Train Air Horn with Compressor — 600dB Peak, Chrome Trumpets

gopupu 12V Dual-Tone Electric Train Air Horn is a compact, vehicle-mounted air horn kit with two chrome-plated trumpets and an onboard compressor designed to deliver an attention-grabbing dual-tone blast for 12V vehicles.

This all-in-one horn kit combines two tuned trumpets with a compact electric compressor and mounting hardware to replace or augment a standard vehicle horn. Built from ABS plastic and chrome-plated alloy components, the unit is engineered for outdoor exposure and frequent use while remaining straightforward to wire into a 12V electrical system.

How loud is this horn and what does "dual-tone" mean?

The gopupu horn uses two differently tuned trumpets to create a layered, attention-getting sound that cuts through traffic noise more clearly than a single-tone horn. The manufacturer rates the kit up to 600dB in peak output; practical loudness will vary with installation location, vehicle type, and environmental conditions.

• Dual trumpets produce a two-note signal for improved noticeability
• Manufacturer-rated peak output up to 600dB
• Actual perceived volume depends on mounting, wiring, and vehicle acoustics

Which vehicles can use this 12V air horn?

This horn kit is designed for use on any vehicle with a 12V electrical system. It fits cars, trucks, SUVs, motorcycles, vans, light commercial vehicles, boats with 12V systems, and off-road rigs, offering a universal replacement or aftermarket upgrade option.

• Compatible with standard 12V vehicle electrical systems
• Suitable for passenger cars, pickups, SUVs, vans, motorcycles, and small boats
• Works as a direct replacement or augment for factory horns with simple wiring

What materials and build quality can I expect?

The horn assembly mixes ABS plastic housings with chrome-plated alloy trumpets and reinforced compressor components to balance weather resistance and durability. The finish helps resist scratches and corrosion common in exterior vehicle fittings, while internal components are sized to provide steady air pressure for repeated use.

• ABS plastic body for impact resistance and reduced corrosion risk
• Silver-finished metal trumpets for clear tone and visual appeal
• Upgraded compressor coils and reinforced fittings for sustained performance

How easy is installation and what comes in the package?

Installation is designed to be accessible to anyone comfortable with basic vehicle wiring: connect the positive and negative horn wires to the matching terminals and secure the horn using the supplied hardware. No special tools or air lines are required because the kit includes an on-board electric compressor.

• Simple positive-to-positive and negative-to-negative wiring connections
• Includes angle iron, screws, nuts, and gaskets for secure mounting
• Package contents: 1 dual trumpet horn (8.5" x 6.1" / 21.5 cm x 15.5 cm), bracket, 4 screws, 4 nuts, 4 gaskets

Who is this for: Drivers and vehicle owners who want a louder, more noticeable horn than stock equipment—especially those who operate in busy traffic, on highways, or in situations where clear audible warnings improve safety. It’s suitable for DIY installers who prefer a plug-and-play electrical upgrade and for vehicle modifiers seeking a durable, weather-resistant horn with a bold visual presence.