Hercules DJ Console 4-MX, Black Large DJ station for mobile computer DJs2-deck/4-deck metal DJ controller to mix 2 / 4 audio tracks2 stereo out (mix & preview) + 2 stereo in (for analogue gear)Mobile metal controller: a large mixer with included carry bagTrendy black & gold colors 2 large jog wheels with pressure detectionJog wheel size: 12cm diameter (4.7) x 1.9cm height (0.75)Weight sensors, detecting the hands weight on the wheel s topGreat for scratching and seeking within audio tracks 2-deck & 4-deck control2 shift buttons turn deck A into deck C, and deck B into deck D2-deck for standard DJ mixes, when mixing 2 audio tracks4-deck mixing: double the controls when you mix 4 tracks Virtual DJ 7 LE included: 4-deck DJ mixing softwareFor Windows XP / Vista /7 / 8For Mac OS 10.5 / 10.6 / 10.7 / 10.8 Box contents:Hercules DJ Console 4-Mx BlackUSB cable, transport bag, power adapterCD with PC/Mac DJ softwarePrinted installation guide + online manual