The 61-key FSX board has smooth, responsive action with adjustable initial and aftertouch. 500 voices including Super Articulation, MegaVoice, Sweet!, Live!, and Cool! voices. Super Articulation and MegaVoice enhance your MIDI tracks with expressive realism. It also has custom voice creation tools, 400 accompaniment styles, DSP effects, a large color LCD, internet capabilities, 2 USB ports, multi-pad programming, vocal harmony processing, 16-track MIDI sequencer, style creation tools, computer software, interactive learning functions, and optional hard drive expandability for multitrack recording. See our site for all the details.