The Roland AX-1 has a pitch bend ribbon and a touchpad-like expression bar on its neck. It also has a sustain switch on the back of its neck for ease of playing. It has 45 velocity sensitive keys. It does not produce its own sounds but must be plugged into a MIDI device in order to be played. 

More info on the AX-1 can be found here: wikipedia.org/wiki/Roland_AX-1

This is a used item. It is in great condition with very little cosmetic wear.

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