USE THE POWER OF NUMARK TO MIX FROM YOUR LAPTOP. The DM950USB is an affordable 2–channel mixer with 2 built–in USB audio ports. USB technology allows you to mix your computer's music files with vinyl, CDs, DVDs or a microphone. Incorporate MP3, WMA, WAV, and other digital music files in the mix from any USB–equipped PC or Mac. The DM950USB's 2 USB ports allow you to take advantage of the multiple soundcard feature found in most DJ mixing software. Record your mix simultaneously with playback. It's the perfect way to jump into the world of digital music playback while still keeping elements of your traditional mixing platform. * Gain control on inputs * Replaceable crossfader * Slider–style cueing * Inputs for 2 line, 2 phono, 2 USB, 1 mic * 2 USB input/output channels for playing audio files from, or recording your set onto, a Mac or PC * USB cables included * No drivers needed with Windows XP or Mac OS X * 2–band EQ on each channel