Native Instruments Traktor Kontrol S4 MKII, DJ Audio Interface and Controller - highly integrated 4-deck Traktor controller and thomann flagship software, plug & play - all you need to start mixing is your computer and mp3s. 4-channel mixer with ergonomic layout, 2 high-res jog wheels, 2 analog inputs with phono and mic preamps for hooking up turntables, CD players or external audio gear. thomann Traktor Pro 2 Full Version - software: pro features, usability ....