The Pioneer QX-4000 Quadraphonic Stereo Receiver is a vintage audio device known for its superior sound quality and unique quadraphonic sound system. Produced by the well-known brand Pioneer, this model offers a classic and stylish design with advanced features for enhancing your listening experience. With its vintage charm and reliable brand reputation, the Pioneer QX-4000 is a sought-after piece for audio enthusiasts looking to add a touch of nostalgia to their stereo setup.

Tested and powers up, all lights are working. Over all clean with no major sign of wear. Has not been refurbished in anyway, selling for parts or repair due to age.