The Distressor is an automatic gain (or volume) control device (AGC in engineering terms) designed for pro audio (music) applications. Basically, it electronically controls the volume of just about any source in a very pleasing, and "musical" manner - adding fullness, intelligibility, and...
UBK runs a lot of sounds thru the UBK Fatso, and yammers on at length about the many desirable qualities that he feels ought to motivate any self-respecting engineer to buy one... or get their classic Fatso modded !