Roland Jupiter-50, Synthesizer, 76-note semi-weighted synth keyboard, and 128 polyphonic voices (varies according to sound-generator load), Powerful integrated SuperNATURAL synthesis engines designed for legendary vintage synth sounds to realistic organic acoustic sounds and more, Single Tone is equivalent to the performance of powerful single synthesizer—stack four of these to create a mind-blowing "Live Set", Tone Blender tweaks multiple parameters of tones in realtime for complex, emotive sonic movement during performance, Fast, friendly operation with intuitive front panel and color touchscreen optimized for live performance, USB-memory Song Player/Recorder for backing tracks or quick idea capture, Easy integration with computers via built-in USB-MIDI/Audio interface, Display: Graphic LCD, Controllers: D Beam Controller Pitch Bend/Modulation Lever Assignable buttons (S1, S2) Assignable knobs (E1--E4) PART LEVEL sliders (PERC, LOWER, UPPER, SOLO), Connectors: PHONES jack, MAIN OUT jacks), FOOT PEDAL jacks (CTRL 1, CTRL 2, HOLD) MIDI Connectors (IN, OUT, THRU) USB COMPUTER port (Audio/MIDI) USB Memory port AC IN jack