The Yamaha CP-300 piano keyboard puts it all together: a weighted-action 88-key bed with graded hammer effect, incredibly well-sampled pianos, 480 XG voices, 12 drum kits, digital effects, and full MIDI implementation including master MIDI control, USB computer connectivity, 128-voice polyphony, a 16-track sequencer, and much more. This Yamaha keyboard is a portable, playable, powerful electronic piano onstage and perfect for the computer-based studio.