M-Audio Axiom 25

M-Audio Axiom 25 (2nd gen) - 25 key velocity sensitive semi-weighted keyboard with assignable aftertouch, 8x MIDI assignable trigger pads, 8x MIDI assignable rotary encoder knobs, 1x assignable Fader, 6x transport buttons reassignable to other MIDI parameters, preset / program change / MIDI channel +/- buttons, back-lit assignable LCD screen, sustain and expression pedal jacks, built-in USB MIDI interface including standard MIDI in and out jacks, 20 non-volatile memory locations. Powered via USB bus or optional power supply. Compatible with Windows XP and Mac OSX. Dimensions: 475 x 73 x 296 mm