I don't play out and use power supplies : ON/OFF, simple, not playing out ,theres no need for tap dancing my way into a purple haze so I always set them up at waste level where god intended them to be prior to the sin of foot switches. As a person that make noise I have some very cool boxes that are analog, hand wired and don't sound like grandpa's fuzz face. There is a company that make the MEGA -SUPER terrific dirt box beyond description It's the WMD Geiger Counter sound can be scrampled and pan fried by at least 256 different wave forms the proplem is there are no memory spaces to save presets and the little monster is very sensitive when it comes to dialing in specific sounds. Which allows for great nuance, but it can be problematic to get the same garbage disposal sound twice.what would the world of guitar be without pedals and electricity? Julian Bream, Andres Sagovia , Manitas de Plata, Son House.