PSR-SX600 is the standard model in the PSR-SX series, offering a range of content and functionality that makes it perfect for performing at home or on stage. With intuitive control and superb sound quality, the PSR-SX600 delivers the expressive control that professionals demand. 4.3 inch color display 850 Voices, including 73 Super Articulation voices, 27 MegaVoice, and 43 Drum/SFX kits 415 Styles, including 372 Pro, 32 Session, 10 DJ, and 1 Free Play. 100 MB on-board memory for expansion data Unison & Accent to let Styles playback follow your performance Compatibility with Rec’n’Share Apps and Mic input Playlist and Registration for quick and easy set up Voice and Style expandability with the Yamaha Expansion Manager.