The Vintage 1988 Pioneer KC-V170 Key Controller Unit is a rare and collectible piece of audio equipment made in Japan. This stereo L/R RCA key controller, designed by Pioneer, offers a unique and sought-after feature for audio enthusiasts. With its gray color and compact design, this unit is a valuable addition to any home audio setup, providing a touch of nostalgia and functionality for those looking to enhance their audio experience with a piece of audio history.