forgive my ignorance but noticed in the local paper and wondered what they are and how they are used,,,,,,,,1.Sound MODULE Boss dr synth gm,........2.Rack Mount 8way input bay XLR male ,female plus line,ground lift switches,,,,,3.SYNTH ensonic F12MO including vocoder FX processors ,arpeggiators,,,,,also if missed what other equipment do you use,cause being a home player all i know is keyboard amp and speakers,thanks in advance ,mike