none because the DAC is not the weakness. it’s the player’s firmware (engine os) which messes with the sound internally before it gets to any output. this has been discussed quite a lot since the sc5000 was released (sc5000 and 6000 use the same audio engine) but denon doesn’t seem to be able or willing to sort that properly.
using the search here should give you plenty of results. some of them:
https://community.enginedj.com/t/improve-audio-processing-quality/14092
https://community.enginedj.com/t/crippled-highs/26132
you could of course use it as a midi controller for traktor or whatever software you prefer. but that would make it a terribly expensive midi controller and would sort of defeat the purpose of a standalone player.