USB DAC has volume at 50%

This could be a little complicated.

I have a Schiit Audio Modi 3 DAC that works perfectly and is plugged into my Emotiva TA1 integrated amplifier that drives my desktop speakers.

The issue is this. When I try to use the built in USB DAC in the Emotiva TA1, the volume is about 50%. I tried ticking the box to “increase volume” and that sounded clean, but at 75%. I am guessing that it would still sound clean at 200%, but I don’t know where I could edit a config file to test that theory.

Where would I put in a bug report? KDE Plasma, or whomever wrote the device driver?

Thanks a bunch.