use handshaker, works like a charm to copy files to r6 ( bot software must be installed one one mac and the other on r6 )

sorry to ask such a noob question but this usb audio output.. didnt fiio x7 mark 2 already had it as usb dac? i did play computer output through fiio x7 in usb dac mode ? is this any different ? please guide a little confused on this one

just to add a bit to the high gain convo. from what i experienced. the IEM that i have of 16 to 20 ohm impedance like fiio f9 and magasi k3 pros, dont need much power and for them i use low gain as with high gain it increases volume not to my liking but when i use the x3 mark 3 with audio...