ZUDKSUY Double Car Truck Disc Horn 12v 135db Super Loud High Tone with Cord Electric Waterproof Metal Round Horn Air Disc Horn Super Loud Train Disc Horn Suitable For Trucks, Cars, Motorcycles, Boats

Hardcore Sound Effects: With a speaker sound pressure level reaching 135dB and frequency coverage spanning 400-335Hz, this system delivers a powerful, horn-like blast using only a 12V power source—no external air supply required. Its formidable acoustic performance significantly enhances driving safety, ensuring clear warning signals even in complex road conditions

Rugged and Durable: Featuring a black metal housing with a red protective grille, it combines industrial aesthetics with practical protection. Rigorous sealing techniques and a bowl-shaped structure ensure stability, with a wide operating temperature range (-40°C to 80°C). Waterproof and dustproof, it excels in diverse outdoor and extreme climatic conditions

Universal Installation: Compatible with Most Vehicles, Features a single-screw mounting interface and two sets of universal mounting brackets, compatible with nearly all 12V vehicles including cars, trucks, motorcycles, boats, and more. Equipped with blade-style terminals for easy wiring, enabling users to effortlessly complete self-installation

Clear specifications, stable performance: Speaker diameter: 125mm, impedance: 8Ω, operating current: 4A, responsive with outstanding high-frequency performance. Integrated painted chassis and protective structure design ensure long-term electrical stability and visual integrity

Thoughtful After-Sales Guide: We've included a simple troubleshooting guide: For occasional loss of sound, check the switch contacts or plug connections. If there is no sound at all, inspect the fuse, wiring, relay, and speaker itself in sequence