The American Audio VMS4 is a digital MIDI workstation/DJ MIDI controller with 4 Midilog (MIDI and analog) channels that are compatible with any MIDI Learn software or analog inputs such as CD players, turntables, etc. The MIDI controller features two touch-sensitive jog wheels; a built-in mouse pad; a built-in soundcard; assignable touch strips; balanced XLR outputs; crossfader curve adjustment; 2 mic inputs with gain, treble, mid-range, and bass control; plus it's bundled with Virtual DJ LE software. Completely configure your American Audio VMS4 MIDI controller based on what you'd like to do and how you wish to express your music.