I wanna know if i only use the xone4d with traktor pro via usb i can play with 2 or 4 decks?
anyone can help me?
thanks

The 4D has a 20-channel sound card built-in so it can handle up to 4 Traktor decks at the same time. You can map each deck to a separate channel on the mixer. I have channels 1 & 2 routed to time code controlled decks and channels 3 & 4 controlled via midi commands from the 4D. i also have another channel routed in for recording the main out onto the computer.