First time ever I got listening fatigue with a Headphone.
Listened at -35db with Auto Ref on with my RME ADI 2 DAC FS
But listening fatigue still strong after 2 days.
Wished I never tried HD 800 S.
Usually I listen with DT 770 Pro 250 Ohm at -27.5 dB max depending on the Song and never any issue.