Vintage 80's Radio Shack MPA200 100w Rackmount Power AmpNotes Output cables need to be connected to speaker cables from springs to ensure proper connection, otherwise fully functional. One green backlight is out A Vintage 80's Radio Shack MPA200 100w Rackmount Power Amp in Very Good condition! At Evolution Music, we attempt to highlight cosmetic defects (if any) by picturing every angle of every piece of gear so you know exactly what you are getting. We always picture any and all accessories too. What you