Reloop Digital Jockey 2 Interface Edition DJ Mixer Professional DJ USB/MIDI controller with integrated audio interface 42 buttons, 5 faders, 9 encoders, 6 push encoders, 9 knobs, 2 touch-sensitive jog wheels Stereo RCA inputs (with phono pre-amp) plus 1/4" microphone jack. Stereo RCA outputs 1/4" headphones jack for direct monitoring ASIO drivers with minimum latency and best audio characteristics. Core Audio compatible. Optimized for the world's leading mixing software Traktor PRO (clearly arranged shift double assignment, control of up to 4 decks). Comes with Native Instruments Traktor LE