Kurzweil PC2 76-Key Performance Controller SynthNotes performance synthesizer with 76 semi weighted keys. Featuring high quality 24 bit output converters and 64 note polyphony (16 part multitimbral) local pickup only, too high risk of damage given the weight and scale A Kurzweil PC2 76 Key Performance Controller Synth 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.