If I was going to a desert island with only one headphone yeah I would Take those. I believe all great and better headphones are inspired by the hd650. Yes there are better ones technically but these are all uku could ever need also.

Ifi go bar will power them better if your looking for a dongle but nah, those headphones need more juice…

Now compliment them with 650s.

Closest I’ve heard are grados and nighthawk carbon

560s are amazing for the price but 650 are the masters. That’s why I own both

Welcome home papi.

What is headroom?

Qobuz is the best for sure.