Hadley’s iconic rectangular bell air horn is the most recognized design on trucks, RVs, and specialty vehicles worldwide. At 26 inches long, this chrome-plated steel trumpet delivers a bold 115-decibel announcement that cuts through traffic and gets full attention on any road.

Built in the USA with heavy-duty welded construction and chrome plating, Hadley air horns are made to withstand decades of weather and vibration. The single-tone 210-hertz frequency is unmistakably Hadley, and the 12-volt operation integrates with standard RV electrical systems. Limited 1-year or 100,000-mile warranty.

• 26″ rectangular trumpet, single tone
• 115 decibel sound level
• 210 Hz frequency
• Chrome-plated steel construction
• 12-volt operation
• Sold as horn only—no mounting brackets
• Made in USA
• Heavy-duty welded design