The Pioneer Pro DJ DDJ-SX2 digital DJ controller is a bus-powered, 4 channel controller designed for total integration with Serato DJ, providing you with intuitive hands-on control over every important software function. In addition to a full-fledged mixer section and extensive EQ and effects controls, you get two sets of large rubber pads and two BIG JOG platters to manipulate tracks, samples, effects, cues, and more in real-time. And to top it off, there's a complete USB sound card onboard.