On macOS High Sierra (10.13) and later, Apple blocks third-party drivers by default.
Use the search bar and type "DDJ T1" .
Run the Setup Wizard inside Traktor Pro again to ensure the internal audio routing routing defaults back to your controller channels. Summary Checklist for DJ Setup Mac OS Version Driver Status Action Required OS X 10.5 - 10.10 Fully Supported Download official v1.2.0 driver from archive. OS X 10.11 - macOS 10.15 Legacy / Unofficial Install via SIP bypass or use MIDI mapping only. macOS 11 or Newer (Intel/M-Series) Unsupported Use as MIDI controller with external audio interface.
