The positive and negative poles of the power supply are respectively connected with the two wires on the solenoid valve(no positive or negative points).
The air tap on the solenoid valve is connected to the gas source of the vehicle(make sure no air leak).
Please verify that this part fits your vehicle before you purchase.
Professional installation is highly recommended if you have any difficult in installation.

Fit for cars, trucks, boats and all types of motorcycle

Color: black
Material: zinc
Decibel: 150db
Voltage: 12V/24V
Overall size: 345mm*155mm*165mm
Trumpet length: 165mm, 225mm, 290mm, 345mm
Trumpet width: 90mm

4-trumpet air train horn with glistening black finishing
Small size but powerful volume and tuned train horn sound
Great sound quality, extremely stable frequency
Long service life, reliable working performance

Package Included:
1 x 4-trumpet air train horn
Necessary hardware included
(Installation instruction is NOT included)

Product Features

  • 【Fitment】Direct fits any 12V/24V cars, trucks, boats and all types of motorcycle
  • 【Sound Output】150 decibels, super loud
  • 【Overall size】13.58 inch * 6.10 inch * 6.5 inch
  • 【Horn Construction】4 trumpets compact air train horn
  • 【Easy installation】simply mounted on your air compressor

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