This is a very common question because he uses a very unique DJ setup. Lots of cool sleek looking devices. I found a blog post by Jesse Brede that explains this mystery.
He’s running Abelton Live on a 17? G5 MacBook Pro ($2-3k) outputting to an Apoge Ensemble ($2k) soundcard. He’s using a 16×16 [...]
EKS is proud to announce the launch of its latest addition to the controller family. Known for its previous portable DJ controllers XP10 and XP5, EKS will now introduce the revolutionary Otus model range.
EKS Otus will bring fresh thinking to the DJ controller world. Otus are designed with both usability and technological progress in mind. [...]