Traktor does not include a built-in profile for the DDJ-400. You must download a community-created .tsi file from reputable sources like .
Go to Audio Setup and select DDJ-400 as your Audio Device to ensure sound comes through the controller's master and headphone outputs. ddj 400 traktor pro 3 mapping
: In the Audio Setup tab, ensure your "Audio Device" is set to "DDJ-400 ASIO" (Windows) or "DDJ-400" (Mac) to use the controller's built-in headphone jack. Traktor does not include a built-in profile for the DDJ-400
The DDJ-400 has a single "Beat FX" section. Mapping this to Traktor’s three-slot FX units requires clever use of "modifiers"—essentially "Shift" commands that allow one physical button to perform multiple tasks. ddj 400 traktor pro 3 mapping