The CDJ-350 will allow users to create DJ performances with various digital music files including MP3, AAC, WAV and AIFF files that are stored on different forms of media, including USB mass storage device class products or CD-R/RW discs. The media player also includes Pioneer’s proprietary music management software, rekordbox™, making it possible to manage music files on a computer for quick song selection when played back on compatible Pioneer players.The DJM-850 is the perfect choice at this price point because it retains its predecessor`s most popular features, inherits the high-end build of Pioneer`s club-standard DJM-900nexus, and adds a few innovative effects of its own.The DJM-850`s Beat Colour Effect, an industry first, uses sidechaining to add another layer of control to Pioneer`s brilliantly simple Colour Effects. The Beat Effect `listens`; to the audio input of each channel and connects the changes in volume to other parameters, so DJs can flawlessly blend new sounds and effects into their mixes.And the DJM-850`s integrated four-stereo-channel sound card makes set up incredibly simple, with connection to PCs and laptops requiring just one cable.Variety of advanced effects including all new Beat Color FXBuilt-in 24bit/96kHz high performance USB sound cardTRAKTOR SCRATCH 2 CertifiedTop panel USB connector for DJ software