Reply to Need help not got a clue

i have 2 x cdj 850 and 1x pioneer dkm 600 ,

i want to start useing traktor with my dj gear , i know its a 2 in 2 out i need to make my mixer work is that right ?

also what is the best soundcard to buy and also will the bass mid treble work with my mixer when useing traktor 2.5


not sure ware the phones go from my mixer to the soundacr and to my laptop