https://www.rtings.com/headphones/tests/sound-quality/passive-soundstage
Are you invalidating all of these measurements?
Saying that technicalities cannot be measured?
You guys sure do measure an apple dongle and say is all you really need.
But when it comes to technicalities everyone agrees that they are subjective?
We can measure everything there is to measure, but understanding how the measurements relate to a human experience is harder.
https://www.youtube.com/watch?v=5tBKhg-brBc
https://www.youtube.com/watch?v=LrIoNMeo_GI
https://www.youtube.com/watch?v=LdlZCBs01DA
https://www.headphones.com/community/reviews-learning-and-news/evaluating-sinad-why-its-not-important