Yamaha PSR-SX900

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