Pipeman Train Horn, 4 Air Horns
Material: Zinc Alloy
2 small horns: length: 11″ (280mm)
1 media horn: length: 13.5″ (344mm)
1 large horn: length: 15.6″ (396mm)
Each Horn diameter of the mount 6.3″ (160mm)
Frequency: 290/421/548/648 HZ
Sound level: 125 ± 5dB
Air pressure: 0.4~0.8MPa
(REQUIRES AN AIR COMPRESSOR TO WORK – WORKS WITH THSY5150C AIR COMPRESSOR)