I am early backer and I use the 5K+ with the DAS since day one. This means my need for it is somewhat limited.
That being said you had so much time to fullfill this and decided to release 4 new headsets in the meantime - not counting the business versions).
Considering we are talking about a plastic halo with padding and speakers this (yes this is simplifying it but you had 2 years time!) is quite a disgrace. We can see how low priority this is for pimax. This makes absolutely no sense since comfort is important for consumers. Just look what comments come up when you look for information about the Samsung Oddyssey.