The Denon DJ DN-D4500 professional dual CD/MP3 players is the successor to their award-winning DN-D4000. The rack-mountable DN-D4500 is intended for mobile and club DJ applications, and is designed to be a sturdy workhorse with superior reliability.

Many of the DN-D4500's expanded features support both CD and MP3, such as Key Adjust, Auto BPM Counter and Cue Stutter. Two Hot Starts and Seamless Loops are also now available for MP3 in addition to CD usage; the B point of the loops can be easily adjusted on the fly. The Hot Starts can be used as stutter points as well.

The DN-D4500 boasts wider pitch control for audio CD +/-24%, +/-50% and +/-100% supplement the standard range of +/-4%, +/-10% and +/-16%. MP3 pitch control is now offered in the range of +/-4%, +/-10% and +/-16%. Shockproof memory is provided for both CD (20 seconds) and MP3 (100 seconds). Two-way pitch bend is available (traditional buttons or Jog wheel) at up to 99%. Each drive features an ergonomic 50 mm Jog/Shuttle Ring that can control either pitch bend or scan, quick jumps and frame search.

Enhanced MP3 support includes Frame Search, MP3 Hot Starts/Seamless Looping, ID3 tag display for artist, title and album, support for constant bit rate and variable bit rate decoding up to 320 kbps, and a powerful MP3 File Search System that can quickly and easily locate hundreds of files and folders.

• Key Adjust/Master Tempo (CD or MP3)
• MP3 Hot Starts andamp; Seamless Looping Capability
• Cue Stutter (CD or MP3)
• Auto BPM Counter
• Wider Pitch Ranges (CD +/-24/50/100%)

Powerful CD features include a Memo function, which can store Cue Point, Playback Pitch and Range, Pitch On/Off, Key Adjust On/Off and Seamless Loop A and B data for later recall. Up to 1,000 points can be saved or recalled from either drive. The Brake effect time is now user-adjustable, and CD Text support is available.

The convenient Power On Play feature allows for unattended playback on power up, ideal for bars, clubs, restaurants and nightclubs at opening time. Unattended relay play is possible between the drives, with user-adjustable crossover time, an excellent feature for smooth uninterrupted playback during cocktail hour or in banquet halls.

Denon has made searching much easier with the new Quick Jump feature, which can precisely jump within a track in user-definable increments of 10/20/30/60 seconds. A large fluorescent tube display with dot-matrix text support provides easily visible feedback to users, and an End Of Message feature flashes the status time bar when a track is about to end.

Other professional features include 0.02-second instant start ability, CD-R/CD-RW disc compatibility, Fader Start Control terminal (compatible with all Denon DJ mixers) and coaxial S/PDIF digital output. The DN-D4500's operating software can easily accommodate upgrades via CD-ROM.