CD-player  profesional Pioneer

.Multi Format Playback - The CDJ-900 enables playback of MP3, AAC, WAV and AIFF audio files on CD,and USB memory devices.

Slip Mode - When activated, Slip Mode silently continues song playback during a loop, reverse or scratch and continues audible playback at the exact time when the loop, reverse or scratch is ended creating smoother transitions.

Advanced Auto Beat Loop - The CDJ-900 generates a four-beat loop at a touch of a button creating acustomized sound to provide more time for DJs to blend in transitioning music
MIDI - Users can assign various buttons of the CDJ-900 to trigger other devices, such as DJ effecters and software with MIDI mapping capability.
Free Rekordbox Music Management Software Included - Both the CDJ-2000 and CDJ-900 turntables include rekordbox, Pioneeraa‚¬a„¢s proprietary music management software that organizes and catalogs a DJaa‚¬a„¢s entire music library. When music files are imported to rekordbox,the software analyzes each file and prepares them for use specifically with thenew CDJ turntables.