An eight-track player is a type of audio playback device that was popular in the 1960s and 1970s. It was a cartridge-based system that allowed users to play pre-recorded music on a stereo system. The term 'eight-track' refers to the number of tracks on the tape, which were divided into four stereo pairs. The eight-track player was eventually replaced by the cassette tape and later the compact disc. The term 'STEREOTYPE' is often used to describe the eight-track player, as it was seen as an outdated technology.