KROME-61 Semi Weighted Keyboard: Velocity sensitive is supported, after touch is not supported System EDS-X (Enhanced Definition Synthesis - eXpanded) Sounds Maximum Polyphony: 120 voices (120 Oscillators) PCM Memory 4 GB (In case of 48 kHz, 16-bit Linear PCM converted) 728 multisamples (including 44 Stereo multi-samples) 2,502 drumsamples (including 574 Stereo Drumsamples ) Combination Timbre Number: Max 16: For each Timbre, keyboard and velocity split/layer/crossfades KROME EX can act as a Master Keyboard able to control external MIDI devices User Combination: 768 Combination (512 Preload) User Program: 1536 Program (896 Preload) User Drum Kit: 80 Drum Kit (48 Preload) Preset Program: 256 GM2 Program + 9 GM2 Drums Program Drum Track Preset Patterns: 710 patterns, 1000 user patterns Sequencer Tracks: 16-track + 1 master track Number of Songs: 128 Songs AUDIO OUTPUT (L / MONO, R): 6.3mm (Mono) Phone jack, Unbalanced. Headphone Output: 3.5mmStereo phone jack. Control Input DAMPER pedal (Half Damper supported) ASSIGNABLE SWITCH ASSIGNABLE PEDAL MIDI: IN, OUT USB: USB-MIDI Interface (TYPE B) x 1 SD Card Slot Max: 2 GB / SD Memory Card is supported Max: 32 GB/ SDHC Memory Card is supported Power: Power supply (DC12V 3.5A), POWER switch KROME EX-61: 1,027 mm × 313 mm × 93 mm / 40.43 x 12.32 x 3.66 inches KROME EX-61: 7.2 kg / 15.87 lbs.