The Pioneer CDJ-2000 Nexus 2 Media Players are perfect for the pro DJ who uses Rekordbox and DJs from USB. If you are a DJ playing decent venues you will certainly be coming across these.
 
Take your performance to new heights with the DJM-900 Nexus 2, which features the first ever 64-bit mixing processor for a warmer, more nuanced sound. Control: Curve Control, Effects, Gain Control, Talkover Switch. Features: Digital, For DJs, With Onboard Effects, With USB.