Native Instruments Traktor Kontrol S4 with FREE Decksaver Included Exclusive bundle of NI Kontrol S4 with FREE Decksaver included! TRAKTOR KONTROL S4 was designed from its conception as a fully integrated system where software and hardware are fused in perfect harmony. Its super simple to get straight in the mix, thanks to the included TRAKTOR PRO 2.5 software. TRAKTOR KONTROL S4 boasts a full featured 4-channel mixer section with sturdy faders, CUE buttons, illuminated level meters, high-quality 3-band EQs and a filter control knob on each channel. The FREE Decksaver is a Smoked/Clear dust cover designed specifically for the NI KONTROL S4.