Here's what Yamaha say about the PSR-SX700:
The PSR-SX700 mid-level Arranger Workstation benefits from technology and content advancements made from the development of the flagship Genos. This generation redefines the standard in sound, design and user experience for performance and composition instruments at this level.
THE ESSENTIALS HAVE NEVER BEEN BETTER
With a re-imagined user interface, content designed for all styles of music, expandability, customizable functions and controllers, the PSR-SX700 provides all the tools you need to move a dance floor or create your next masterpiece.
BE INSPIRED AS YOU INSPIRE
Great for performance or composition, the PSR-SX700 comes loaded with rhythmic patterns (called "Styles") that represent a variety of genres, giving you the foundations to bring your musical ideas to life. Combined with a wide variety of instrument Voices the flexibility of the PSR-SX700 makes it an invaluable creative muse.
- 986 Voices, including 131 Super Articulation voices and 24 Organ flutes. 41 Drum/SFX kits
- 400 Styles, including 353 Pro Styles, 34 Session Styles, 10 DJ styles and 3 Free Play
- Pre-installed Expansion content
- 400MB on-board memory for expansion data
- 1GB internal memory
- MIDI song file capacity : 3MB per file
- Joystick, FSB keyboard for powerful live performance
- Intuitive and fast control with 7" color touch screen and Assignable function
- Mic/Guitar input for use when singing or collaborating with other performers
- Playlist and Registration for quick and easy set up
- Audio Recording (WAV/MP3)
- Voice and Style expandability with the Yamaha Expansion Manager