Can anybody recommend a nice usb c to usb c cable to go between the XD-05 and my phone? I would really like to have right angle connectors on both ends, about 3 to 6 inches. Thanks.

Answering my own question: Foobar2000 will. Highlight the files you want to add replaygain data to, and right click them. Replaygain will be one of the options.

What file format does the xd-05 plus with the bluetooth adapter xd-05bl pro sound best with? Someone expressed a preference for a particular format but I can't find the post now. I remember that the bluetooth adapter downsamples to cd quality so I am thinking about using straight wav files just...