The Roland S-10 is an 8 voice 49 key Synthesizer/sampler produced in 1986, is a completely new type keyboard which can record (sample and record into computer memory) all sorts of sounds then play these sounds with the keyboard.,the S-10 is conceptually like a tape recorder in that, it records sound. However the recording process is very different, since the S-10 is recording into computer memory.Computers can accept information only in digital signal, so the S-10 converts audio signal into digitals, it does this by examining (sampling) the incoming signal level great many times a second, and sequentially recording these different levels in computer memory, this is called Sampling Features: The S-10 has four Banks (A,B,C,D) to record the sounds, therefore any of the 4 samples can be instantaneously selected. The Split function can split the keyboard into the upper and the lower sections The sound you have recorded can be saved onto a 2.8 inch quick disk (QD) for future use. The liquid crystal display and the alpha dial serve to make the operation quicker and easier. Provided with the MIDI connectors, the S-10 can be setup with a MIDI sequencer and other devices Specifications: Polyphony- 8 voices, sampler -12 bit,30 KHZ,, memory -256 K 4.4 seconds total sample time The S-10 is in nice condition but it hasn't been tested so buy it as is, I do not know how to play it. I am reducing the prize for that reason, comes with the Owners Manual, a special zippered padded bag, weights 22 lbs and it is 37 X 11 X 3 inches. Please, No Shipping,  Local Pick-Up Only !