The first car CD player was invented by John C. Dvorak and introduced in 1984. It was a large, boxy unit that sat on the floor of the car and took up a lot of space. The sound quality was not very good, and the player had to be turned on and off manually.
In the early 1990s, car CD players became much more popular, and they began to be included as standard equipment in new cars. The sound quality improved, and the players were now controlled by buttons on the dashboard.
By the late 1990s, car CD players were …