Four-channel USB DJ mixer with club-style design that not only works with any standard audio sources including turntables and CD players, but it also has a USB computer connection. When connected to the Mac or PC, the plug-and-play connection empowers you to mix in audio in from music-player software and record the sets into virtually any audio recording application. It provides a complete range of performance essentials, including three-band EQ, gain control and LED metering per channel. It also has a replaceable crossfader with slope control – any channel can be assigned to either side of the crossfader. User can talk over the mix with dedicated XLR microphone channel and a secondary mic input on channel four. And for the best possible sound, the mixer has balanced outputs. The unit is immediately compatible with every current and future version of Mac OS X and iOS and with Windows (98SE and up) operating systems. A power cable is included. Dimensions: 321 x 362 x 102 mm. Weight: 4.4 kg.