Hi Plz can someone help me to set up , 
Traktor Z2 MIXER , 2 X Pioneer Cdj 850 K  & Gemini PT 2000 mk3 Turntable , Time coded Vinyl and Cdj  ,Running on Mac OS Senoma , Presonus audio box  44 vsl interface , Tractor pro 3 
 Plz if this is a more Reliable way advise solid way to run gear or is it better to run it via usb. connected to laptop , firmware on Cdjs are updated , aswell as dowloaded the aggrigator  everything picks up on aggregator or must they go into mixer then laptop ? from here youtube ain't helping much. I'm stuck. Please advise on the correct routing and wire setup