There is the answer for bass at 3am!
I have one no really!! I use propane and oxygen but same results at low power put more gas in and a boom that you can hear 5 miles away sounds like rolling thunder.
You'll have to wait to the end.
Pretty funny -- they made an industrial-sized Airzooka.
Some of the young nerds at work shoot each other with these things when they need a break
"The problem with the world is that the intelligent people are full of doubts, while the stupid ones are full of confidence."