The Pioneer DDJ-T1 is a classic 4-channel DJ controller that was co-developed with Native Instruments, designed to work seamlessly with the DJ software. It was officially supported on older Mac operating systems like Mac OS X 10.5 Leopard and 10.6 Snow Leopard.
If you love your DDJ T1, you have three choices moving forward: Pioneer Ddj T1 Driver Mac Download
In your DJ software settings, route the Audio Device to your external soundcard, and use the DDJ-T1 purely as a physical mixing surface. The Pioneer DDJ-T1 is a classic 4-channel DJ