Denon DN-4500 cd player only, ****** Controller NOT included
MP3 -CDR player
Denon DJ BU-4500 CD/MP3 Drive Unit for DNHC4500 DNHC5000 and DN-HD2500
Compatible with Key Adjust / Master Tempo (CD or MP3)
MP3 Hot Starts and Seamless Looping Capability
Cue Stutter (CD or MP3)
CD Text and ID3 Tag Support
Auto BPM Counting
Wider Pitch Ranges (CD+24 / 50 / 100%)
Fader Start Compatible
CD / MP3 Drive unit compatibility with DN-HC5000
CD / MP3 Drive unit compatibility with DN-HC4500
CD / MP3 Drive unit compatibility with DN-HD2500
Compact Disc Player
Disc Type Standard Compact Disc (12 cm Disc), CD-TEXT CD-R, CD-RW Discs
Installation 19" Rack Mountable : 2U
Tested and working, This is my backup unit, im now mostly using laptops.