DENON BU-4500 CD/MP3 DRIVE FOR DN-HD2500 or DN-HC4500 The Denon BU-4500 CD and MP3 Player Unit is simply a dual CD player deck with MP3 capability. The BU-4500 is the perfect companion for the DN-HD2500 media player controller or as a spare deck for the DN-D4500 dual CD player system. The deck delivers all the key features to keep up with a professional DJs needs. Among some of these features are CD and MP3 support MP3 hot starts seamless looping capability auto BPM counter wide pitch ranges and much more. # Features: CD/MP3 Drive Unit compatible with the DN-HD2500 # Key Adjust/Master Tempo (CD or MP3) # MP3 Hot Starts & Seamless Looping Capability # Cue Stutter (CD or MP3) # CD Text Support # ID3 Tag Support # Auto BPM Counter # Wider Pitch Ranges (CD +/- 24/50/100%) # Fader Start Compatible # Weight: 14 lbs.