Take your performance to a whole new dimension with the PSR-SX. Replacing the hugely successful PSR-S series, the PSR-SX900 is the new generation in Digital Workstation sound, design and user experience. These instruments will inspire and intensify your musical performance and enjoyment. 1337 Voices, including 252 Super Articulation Voices, 24 Organ Flutes! Voices. 56 Drum/SFX kits 525 Styles, including 463 Pro Styles, 46 Session Styles, 10 DJ Styles and 6 Freeplay Styles Pre-installed Expansion content Real Distortion and Real Reverb, with an intuitive effects interface 1GB on-board memory for expansion data 4GB internal memory MIDI song file capacity : 3MB per file Joystick, FSB keyboard, Sub output, and Expansive Soundfield Speakers for powerful live performance Intuitive and fast control with 7″ color touch screen and Assignable function Chord Looper function Mic/Guitar input for use when singing or collaborating with other performers Playlist and Registration for quick and easy set up Vocal Harmony and Synth Vocoder functions Audio Recording (WAV/MP3) Voice and Style expandability with the Yamaha Expansion Manager 2 USB TO DEVICE terminals External display capability Bluetooth Audio may not have this functionality depending on the country. INSPIRE AND BE INSPIRED Perfect for songwriting, the PSR SX is packed with rhythmic patterns called Styles spanning many music genres, making it ideal for creating the accompaniment to your musical ideas and an invaluable inspiration for your next composition or arrangement.