Up for sale is one used Roland S-50 digital sampling keyboard in perfect working condition. There are a few scuffs and scratches on the body of the instrument but everything functions properly. All knobs, buttons and sliders are intact. Disk drive works great. This is a powerful instrument which can still prove useful for many music applications. It offers a full 61-note keyboard with velocity and aftertouch sensitivity and 16-voice polyphony. It comes with one disk with Bruce Lee movie samples!