The new C.504 is Stantons flagship dual CD player. It consists of a two-space CD player and a compact 3U rackmount controller with large jogwheels that provide turntable-style control. A newly-designed, highly reliable anti-shock buffer on the C.504 eliminates embarrassing CD skips. The C.504 plays back both standard CDs and MP3 encoded discs (on CD-R or CD-RW format), with the ability to pitch bend and change tempo while using effects. The CD players myriad of features includes seamless looping, reverse playback, and 10 seconds of sampling per deck.