Korg KROSS 61 - Key Mobile Workstation A wide variety of sounds utilizing twice as much PCM memory as previous instruments Stylish and distinctive lightweight two-tone color design that can be powered by 6x AA batteries Pro-quality EDS-i sound engine, with a total of seven effects available for simultaneous use Quick Layer/Split function for on-the-fly versatility Step sequencer inherited from the Electribe, MIDI sequencer, drum track, and an arpeggiator