Kleinn Black Triple Horn/ 18.25In/ 14.75In/10In - XCR2.0 Coated Spun Steel

Model 730: Demon 730 Stainless Steel Triple Train Horns The undisputed King of the Road! If you’re hunting for the loudest train horn ever built for a truck, your search ends here. Demand attention and command the road with the Demon 730. Designed for **maximum flow** and pressure delivery, this system produces a blast that cuts through sirens and traffic alike. When you need to be heard, the Demon 730 ensures you are never ignored. Why the 730 Demon Stands Alone: Maximum Volume: Featuring three wide-bell stainless steel trumpets and heavy-duty metal drivers. Flat-Rack Design: Requires 40% less clearance than 500-Series horns for easier installation. Versatile Installation: Horns can be removed from the rack and mounted individually for tight spaces. Built to Endure: Finished in XCR 2.0™ black coating to withstand extreme heat and debris. THE VERDICT: Designed specifically for those who want to dominate the road, the Demon™ 730 is your weapon of choice. It stands as the largest and loudest train horn in our arsenal and features a thunderous locomotive blast with unmatched reliability in a package that fits most Trucks or SUVs. BOOST YOUR BLAST: 30% MORE OUTPUT Unleash the full fury of your Demon™ 730 Horns! Experience the Demon™ 730 Horns in all their glory! The Ultra BlastMaster™ (6890) re-engineers your system’s architecture, maximizing airflow to deliver a devastating, high-decibel blast. It’s simple physics: more air equals more output. We ditched the standard 3/8” lines in favor of massive, dedicated 1/2” airlines leading to three High-Flow VX6003 brass solenoids—one for every individual horn. This isn't just an upgrade; it’s a shocking twist on a classic, delivering soul-shaking locomotive blasts that command immediate attention. Overwhelm the senses and dominate the streets with the absolute peak of train horn intensity—now just a tap of the button away. TOO LOUD? TOO BAD! SYSTEM REQUIREMENTS & COMPATIBILITY The "Demon" 730 is the official replacement for the following Kleinn Systems: Universal ProBlaster™ Train Horn Kits: Models HK9 and HK9-Slimline Vehicle-Specific Systems: Models ending in "734" Kleinn 730 train horns require compressed air set at 140 PSI to 200 PSI and a minimum 3-Gallon air tank. Recommended Kleinn onboard air systems designed specifically to power the Demon 730 horns: 6350 - 150 PSI 100% duty cycle sealed onboard air system 6450 - 150 (200) PSI Max, 100% duty cycle sealed onboard air system Model 730 Includes: 2 Year Warranty Three wide bell individual train horns mounted on a flat rack. VX6003 Solenoid w/ Fittings (1 Included) 12 feet of ½” OD Airline Model 730 Specifications: Model 730 "Demon" Steel Triple Train Horns Warranty 2-Year Warranty Construction Stainless Steel Trumpets, Zinc Alloy Base Heavy Duty Brass Solenoid (12-Volt) P/N- VX6003 (51238 & 53814N Fittings Incl.) Max Pressure 200 PSI Output (dB) @ 150 PSI 157.8 dB Dimensions (Mounted on Flat Rack Bar) 22.5” L x 18.5” W x 7.25” H Dimensions (Each Individual Horn) 3 Total (21.75” Lg. - 17.75” Med. - 13.5” Sm.) Minimum Tank Size 2.5 Gallon Airline Length and Size Included: 12’ of ½” Airline Upgrade Kit Compatibility: Use Model 6890 Installation Instruction Links: Solenoid Wiring Instructions 730 Horn Disassembly Instructions Air Horn System Overview Model 6890 Blastmaster Upgrade Kit