CD players are the most widely used devices in clubs today. They offer an enormous range of functions and meet all professional requirements. DJ CD players are divided into 19" players and tabletop players. While 19" players are often used in bars or smaller venues, tabletop players are mainly used in clubs. There is a wide range of manufacturers to cover every need in the DJ world. The best manufacturers include Pioneer, Numark, Denon DJ and Reloop.