I would guess that the sound quality is the same.
you choose the gain acording to the headphones or speakers ( easy or not to drive ) used and the output of the source.
Sound difference between High\Low Gain Setting when volume matched?
In a Dac+Amp that has more that one gain setting (that is switchable) - will it simply produce the exact same sound but with a different amount of amplification, or could there be actual differences in sound when volume is exactly matched?
The specific device in Topping DX3 Pro+ I got for my nephew.
Thanks!