Get people moving on the dance floor — Mixdeck Quad is a complete DJ system with a four-channel mixer that will put you in complete control at any gig. Based upon the popular Mixdeck controller, the Mixdeck Quad kicks it up a notch. A fully functional four-channel digital/analog MIDI mixer is on board, allowing total control of both the iPad and DJ software while mixing from CD, thumb drives, mics, or external sources.