AIR POWERED-VERY LOUD! Produces a powerful BIG RIG TRUCK SOUND. Long Horns is the perfect choice for any 12-volt vehicle. Kit has two 2 durable red plastic trumpets. Easy to install in all vehicles with Wolo's compact chrome plated compressor, that is maintenance free. The kit includes a heavy-duty compressor, 30-amp relay, hose and mounting hardware. Long Horns will provide years of dependable service.

Product Features:

• 12-volt
• 30-amp relay included
• Current: 16-amp
• 120 Decibels
• 410-440 Hz Low Range
• Compressor: 10-12 psi.
• Compressor Size: Diameter 2-1/4 in. x H 4-1/2 in.
• Longest trumpet: 9-1/4 in.