“Owner for almost 30 years offering truly barely used (VERY LOW hours), studio use only, never gigged, KAWAI K4R 16-bit Digital Rack MIDI Synthesizer Sound Module, circa 1989. These are hard to find and have a unique, versatile sound.
Unit has been fully tested including LCD display, all buttons and sliders, audio outputs, and MIDI ports. Internal battery recently replaced. Includes original genuine Kawai (made in Japan) power supply AC adapter and printout of instruction manual.” Click here to visit listing on eBay