Here"s a complete laptop DJ system that"s going to totally change the way you DJ. Even if you already use Traktor Pro, the tricks you can pull off with Native Instruments Traktor Kontrol S4 will blow your mind. Here"s the deal - Traktor Kontrol S4 isn"t just a DJ controller/audio interface and software package, it"s a complete controllerism rig that"s totally locked together and ready to go. You see, not only does the Traktor Pro S4 software feature awesome sampling and looping functions never before seen in Traktor Pro, but S4 controller itself sports dedicated controls for all of these functions. Oh yeah, and the S4 is also an amazing, pro-quality audio interface. Now, let"s get into the details.