M-Audio Axiom AIR 61 | 61-Key USB MIDI Keyboard Controller with Synth-Action Keys and Aftertouch (12 Pads / 9 Faders / 8 Knobs) Keyboard controller with 61 expressive synth-action keys and aftertouch 12 great-feeling trigger pads respond to pressure and velocity Made for expressive performance: roll button aids in creating realistic drum parts 8 rotary encoder knobs plus 9 long-throw 70mm faders with function buttons 3 banks of pad and knob assignments with color-coded illumination Selectable velocity curves to match any playing style plus assignable pitch bend and mod wheels