Decks - Choose 2 or 4 deck mixing. * Smartknobs - Link a single knob to any number of FX & Mixer interface targets under user-programmable envelope control. * GrossBeat - 8 user defined FX per deck with integrated editor. Programmable and automated glitch, stutter & scratch functions. * Customizable interface - Show only the features you use. Configure decks, smart panels and Function panels to show your most used features. * Library - iTunes library support. Play lists and automated mixing options.