The powerful sound of our Triple Trumpet Air Horn is sure to grab attention. With its impressive sound pressure, this horn produces a loud and commanding tone that can be heard from a distance.This air horn ensures that you're always noticed, enhancing your the road. Features -Color:Black -Material:Zinc alloy -Size:29.00X15.00X15.00cm/11.40X5.89X5.89in -Power supply voltage: 12/24V -Power: 30W -Impedance: 5 -Sound level: 105-115db - : 10A -Operating temperature: -40-80 degree centigrade -Working frequency: 500-800hz -Working air pressure: 0.8-0.9mpa -air nozzle Thread:M8 -High fidelity sound: triple trumpet air horn delivers a loud, clear, and crisp sound, ideal for truck applications. -Wide functionality: supports both 12v and 24v electrical systems, providing versatility for various vehicles. -Effortless installation: includes a m8 air fitting, making the installation process straightforward and quick. -Robust: constructed from strong zinc alloy materials, ensuring the air horn is reliable over time. -Commanding sound pressure: emits a strong and attention grabbing sound, ensuring you are heard in many situation. Package list: 1 x modified truck horn