Big_Greg is correct. You don’t need the computer. That is why the Node2 was designed as a one-in-all player. The Bluesound is a DAC and streamer all in one. It can be linked to a NAS or your own library of music as well, but one does not have to do this. I was surprised by how good the DAC inside the Bluesound sounded. I am using a Node 2 for playing non-MQA and MQA material and it sounds fantastic. Not every album sounds good in MQA. Just like the old analog mastered albums, some good recordings, some not so good.
I am not sure I understand the MQA take-a-side argument. It is just another format to try, see how you like it. If not, try something else??? Am I believer?!? In MQA. That makes the format sound like a cult, or UFO, or elves ....which is kind of ridiculous.
Reel to Reel tapes, Betamax, cassette tapes, mini-discs, CD, turntables, aiff, FLAC, wav, streaming .....just another way to listen to music... not the end all, be all for music recording.