The Behringer Pro Mixer DX2000USB 7-Channel DJ Mixer with USB audio interface has a powerful feature set that DJs of all levels will love. The DX2000USBs intuitive operation and built-in digital effects give you the tools to get your audience out onto the floor - and keep them there. The DX2000USB sports a USB interface for playing music from your laptop, two transparent mic preamps, and 3-band EQ across-the-board. You also get an optical crossfader, seven total inputs (three with phono inputs), three sets of outputs, and a sub bass out. With all this, its no wonder so many DJs have made the Behringer Pro Mixer DX2000USB the center of their rig.