$1,505.99
An extremely startling effect. Produces a tremendous boom flowed by a blast of air. Safety and hearing precautions must be taken. Optional motion sensor available. Requires AC power and a 100-125 psi air compressor (not included) 
$1,575.99
This industrial quality device is intensely loud and effective. Includes pressure pad and sounds like a very loud machine gun. Optional motion sensor available. Requires AC power and a 100-125 psi air compressor (not included) Can ship by UPS.