J_December_whyI have a good dac serenade and lg g7 plus down to the v20. All with great dacs. I have other headphones, most of them have no clarity problems. Ex. Beyerdynamic dt990, onemore triple driver headphone not iem. Also several iems ex. Tin hifi t2 and t2pro, kzs... Maybe the HD 660s is more choosy.
RayFLol.
It's obvious that you and your jokes are harmless. We can all use a bit of humor, at times even at ourselves.
Making others laugh is not a talent everyone has. Keep at it, while we watch our back and yours :).