Roland RS-50 Synthecizer The Roland RS-Series 64-Voice Synthesizers redefine value in performance synths. The 61-note RS-5 not only has a brushed aluminum finish and some of the best sounds on the planet - including waveforms derived from the XV-Series - but it's also affordable and easy-to-use. Affordable performance synthesizer with 61-note keyboard 32MB* wave memory includes waveforms derived from XV-Series synths and SR-JV80-Series Wave Expansion Boards, plus all-new waveforms 6 knobs (4 assignable) for realtime control over cutoff, envelopes, etc. Favorite Performance Bank buttons for instant recall of Performances Category Search function locates sounds by type (e.g. Piano, Synth, Bass) Phrase Preview for auditioning Tones in a musical context Advanced XV-88 arpeggiator with 45 types including guitar strumming Attractive brushed aluminum panel and compact, lightweight design