I am using my Mojo as my portable and home use. I would say galvanic isolation is not a need, the power line and data line is already split like the Hugo and there is the option to use optical cable with PC and laptops. I have no issues using my Mojo with USB from my PC and have ordered an optical cable to see if there is going to be any real improvements. At this price point, if you spilt up the same money and get a desktop DAC and another one for portable use. I don't even know if you can get one with galvanic isolation, let alone similar quality. I guess you are just worrying too much.