What's the best process for connecting the unit?

We recommend connecting the DDJ-XP2 to your PC/Mac via USB in the following sequence:

1. Connect the PC/Mac to other devices such as a DJ controller or mixer using a USB cable.
2. Turn on the PC/Mac.
3. Turn on the connected equipment (i.e. the DJ controller or mixer).
4. Start your DJ application (rekordbox dj or Serato DJ Pro).
5. Connect the PC/Mac to the DDJ-XP2 using the supplied USB cable.