You can read all of the features, it’s MQA unraveling (Still need to have a source that is already Master like TIDAL)
The real star of the show is the way it handles Bass Boost. Primarily works with sub-bass, is tight and very punchy but never bloated. It makes almost all of my songs sound fuller without losing balance. I seriously can’t push this point enough, it works SO well. If you are using headphones that require a bit more juice or if you are using balanced headphones this is a real show-stealer at 129.99. I use DT 770 PRO, Fidelio X2HR, Grado SR80, and HD6xx with this and all sounded better with it than without!