M-Audio Keystation Pro 88 Keyboard Controller Full size, 88-note velocity sensitive keyboard provides an authentic playing experience, with hammer action fine-tuned to satisfy the most demanding players 4 zones accommodate up to 4 layers or splits per patch Includes 9 faders, 24 rotary controllers and 22 buttons 12 key data entry pad Pitch wheel, modulation wheel, sustain pedal and controller pedals are all fully assignable 4 zones accommodate up to 4 layers or splits per patch Includes 9 faders, 24 rotary controllers and 22 buttons 12 key data entry pad Pitch wheel, modulation wheel, sustain pedal and controller pedals are all fully assignable Full size, 88-note velocity sensitive keyboard provides an authentic playing experience 12 key data entry pad. Hammer action fine-tuned to satisfy the most demanding players 4 zones accommodate up to 4 layers or splits per patch. With hammer action fine-tuned to satisfy the most demanding players