1. No. You need to use an ethernet cable to connect it to the internet. This cable could be attached to a wireless "dongle" (like the Apple Airport Express acting as a wireless bridge to your router, for example.

2. You're not allowed to discuss this on this forum. The operating system on the MC200 sits on the hard drive, so it's not a trivial swap. Any swap would invalidate your warranty.

3. Only in so far as MQA music held on the MC200 can be output to an an external MQA decoder. It will not decode MQA music to its unfolded form and output it via it's SPDIF or SpeakerLink.

Sooloos, Roon, G series (with LPS upgrade), 800 series (with LPS upgrade), HD621, AC200, Prime and PS, DSPs old and new.

Purdeys, Moke, Leica, 'Blad. Only the best.