Large DJ station for mobile computer DJs: 2-deck/4-deck metal DJ controller to mix 2 / 4 audio tracks 2 stereo out (mix & preview) + 2 stereo in (for analogue gears) Mobile metal controller: a large mixer with included carry bag Trendy black and gold colours Enclosure 15"75 x 9"8 (40 cm x 25 cm) 2 large jog wheels with pressure detection: Jog wheel size: 12cm diameter (4.7") x 1.9cm height (0.75") Weight sensors, detecting the hand's weight on the wheel 's top Great for scratching and seeking within audio tracks 2-deck & 4-deck control: 2 shift buttons turn deck A into deck C, and deck B into deck D 2-deck for standard DJ mixes, when mixing 2 audio tracks 4-deck mixing: double the controls when you mix 4 tracks