Korg C15 Concert Electric piano

Great electric piano works and sounds great. Has some scratches and some discoloration from previous owner. Kept indoors. Occasionally has two sticky keys. Most times works great. great sounding korg c-15s concert piano 88 keys (a0 to c8) 5 voices: piano, electric piano, harpsichord, vibes, pipe organ polyphony: 16 note keyboard modes: single, layer (midi multi) controls: power, volume, key transpose, pitch connections: headphones, aux in (l,r), aux out (l,r), midi i/o main amplifier: 30w x 2 speaker: 16cm x 2 power supply: ac, local voltage power consumption: 45w color and grain: black walnut dimensions: 54.4(w) x 18.3(d) x 32.1(h) in. weight: approx. 100 lbs. *only the unit itself, power cord and stool( with rip but not terrible) included.....selling as is.