Installation Solution Train Horn, 4 Horns

Material: Zinc Alloy
2 small horns: length: 11&quote; (280mm)
1 media horn: length: 13.5&quote; (344mm)
1 large horn: length: 15.6&quote; (396mm)

Each Horn diameter of the mount 6.3&quote; (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)