For sale is a Native Instruments Traktor Kontrol S4 included a metal suitcase a Kontrol X1 carry bag and the Traktor X1 and native instrument AUDIO 4Dj sound card  Included is 3 USB cables and the power cable with USA plug and TRAKTOR KONTROL S4 software serial number downloadable This unit has been sitting on my desk for years. It's tested and working.
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