Makes me think of cassette tapes.

It's a custom built linear internal power supply which is isolated from the mainboard, it is very clean. External switching PSUs can be noisy and send that noise to the components. Linear external power supplies are expensive for good ones and are rare to see included with a device hence why they are sold optionally.

Pure fantasy and speculation. The reality is that Luxsin has been very active on Head-Fi and ASR forums taking onboard feature requests and fixing bugs in recent firmwares with more in the works.

I've been using Alan Parson's "Sirius" as my ringtone for over a decade. I just skip to about 5 seconds, then ran it for 30 seconds, saved it as the sound file. Always liked that song and album, "Eye In The Sky". https://archive.org/details/Sirius

Since Foxconn is a TAIWAN based company, the more they MOVE out of China, the less money China gets. Eventually as more and more manufacturers move production out of China, eventually China will try to take over Taiwan. I think they are just waiting for the right distraction to do it.