Agree on the 24bit support and having an output selector (that can seamlessly switch output without having to restart the audio subsystem) Many apps crash if audio device is virtually unplugged and replugged, like USB behavior)
Better WDM performance. Some games like CS:GO stutter)
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Maybe better layout for app.
Look here for layout(its a free app i used t replace Breakaway as its free and has many great audio features/EQ
https://steelseries.com/gg/sonar