Kleinn Air Horns Triple Air Horns Demon Model 730 with 3 Spun Steel Trumpets ...

Kleinn Air Horns Demon Model 730 — Triple Spun Steel Trumpets Our biggest and loudest train horn system. The Demon Model 730 delivers commanding sound and rugged performance with three detachable XCR 2.0 spun steel trumpets (18.25", 14.75", 10.5") engineered for maximum projection and tonal clarity. Key Features Massive spun steel trumpets: 3-piece XCR 2.0 set for bold, authentic train-horn tones and flexible mounting options. High-output compressor: 150 psi, 100% duty-rated unit built for continuous use and reliability. 5-gallon air tank: Provides sustained air supply for repeated blasts and consistent performance. Multi-use capability: Powers the horn and supports accessories like air bags and small pneumatic tools. Tire inflation kit: Includes storage bag for convenient onboard inflation and maintenance. Upgrade Option For ultimate volume and aggression, the Demon 730 can be upgraded with the Ultra BlastMaster valve (P/N 6890) —creating one of the loudest, most attention-grabbing train horns available. Why Choose the Demon 730 Built for enthusiasts who demand extreme sound, versatile installation, and heavy-duty components. The detachable trumpet design, robust compressor, and large tank make the Demon 730 ideal for trucks, off-road rigs, and anyone who wants to stand out.