RPHA Synthesizer: Real Piano Hammer Action 88-note, heavy-touch hammer action with adjustable velocity- and aftertouch-sensitive keys, Display High-resolution 480 x 272 pixel color LCD display with adjustable brightness, 256-voice polyphony, dynamic allocation, 16-track multitimbral (one per MIDI channel), Dynamic Architecture VAST: Powerful synthesis engine, with DSP algs and programmable routing with more DSP power than the K series. VA1 Internal: Anti-aliasing, powerful oscillators and DSP processing of Kurzweil's conceptual VA1 synth, capable of authentic analog emulations as well as incredibly complex new sounds. Cascade Mode: Allows the user to route a layer through the DSP of any other layer within a program - up to 32 consecutive layers, Flash Sample Memory, 2GB of non-volatile, rechargeable user flash memory, 1000+ Factory Programs, 4096 User Programs, 50+ Factory Multis and up to 16 independent zones, Kurzweil Resonance, Master EQ/Compressor, 1000+ channels of complex effects, embedded in programs including our award-winning effects: Everbs, Delays, Chorus, Flange, Phaser, EQs, Distortions, Rotary Speaker Simulators, Compressors... (32 Effects Units in total), 16-Track Sequencer; 960 PPQ resolution. Song editing features include event- and track-based tools such as quantize, swing, remap, controller scaling, etc. MIDI CC Step Sequencers: 16 simultaneous RIFFS: 16 per multi-mode Arpeggiators: 1 per program and 16 per multi-mode Analog Outputs: Four (2 pairs) balanced 1/4" TRS analog outputs (32-bit D/A converters) auto-mono switching on main outputs +21dBu maximum output 50Ω balanced source impedance Audio Inputs: Two 1/4" inputs One 1/8" stereo input (each with FX) to connect your favorite MP3 player or other audio source for backing track playback 1 x 1/4" headphone output on the rear panel MIDI 130mW into 32ohm headphones MIDI in and out Two USB ports (one port A / one port B) with full MIDI functionality on USB Backup of user/multi-file programs via USB drive OS updates via USB drive, External editors for Mac OS X, Windows PC and iOS devices* (*coming soon), (Free) OS updates via USB drive, External 15VDC 2.5A power supply, Accessories: Power cable, footswitch, USB cable, Control panels: 1 pitch wheel, 1 modulation wheel, 9 front panel sliders, 9 knobs, 9 switches (assignable/zone mutes/KB3 control), 1 variation switch, Tempo controls with tap tempo, 2 transpose switches, Arp controls, Transport controls, *2 footswitch inputs each supporting a footswitch or half-damper pedal, sustain pedal (1 sustain pedal is included; sustain pedals are sold separately)., 2 continuous control pedal inputs, Monopressure (aftertouch), Ribbon input (ribbon controller sold separately). Black finish. Height 16.5cm, Width 37.4cm, Length 127cm, Weight 13Kg.