Professionele DJ USB Midi Controller - Optimized for the software Virtual DJ complatible with Windows and Mac. - 2 Sensitive multifunctions wheels - Crossfader adjustable - 10 effects including Scratch, Flanger, Brake, Filter and Echo ....Mixer function:1 crossfader - 2 Volume faders - 2 equalizer 3 bands Bass/Medium/Aigue - 2 Gain Knobs - Adjustable Master, Cue Mix and Cue Level volume