Pioneer DJ XDJ XZ Professional 4 Channel Black Digital DJ System BundlePioneer DJ XDJ XZ Professional 4 Channel Digital DJ System with Full Size Jog Wheel (Black) The Pioneer DJ XDJ XZ Professional All In One DJ System in Black is perfect for events, a bar or club, or your private studio. Wherever you take it, the XDJ XZ gives you all the features you need to get the job done. This 4 channel system features a professional layout so youll feel exactly like youre using a club standard NXS2 setup. Controls Optimized for