4 horns: each one is a different size
Horn 1: 9-1/8″ long; 3-5/8″ diameter
Horn 2: 12″ long; 3-3/4″ diameter
Horn 3: 13-3/4″ long; 3-3/4″ diameter
Horn 4: 14-3/4″ long; 3-3/4″ diameter
290/421/548/648 HZ
Made from zinc alloy material for horns
Chrome plastic base
Sound level 125 dB’s
Requires THSY3075C OR THSY5150C air compressors