Denon DNC615 Pro Rack Mount CD Player with Digital Output MP3, CD-R and CD-RW playback compatibility make it well suited for a variety of applications! MP3 Playback: Folder / Title search. Shock Proof Memory (approx. 10 sec.). Power On Play. Repeat mode (Single Track/All tracks/Program & Random Repeat). Random mode. Playback Mode: Single/Continuous (Preset Selectable). Auto Cue (Preset Selectable). CD Text. Program Play: Max. 99 tracks. Coaxial RCA Digital Output (SPDIF). Headphone output.