Is anyone able to give the earpad height and depth?
Depth around 3cm, minus a few mm for the cover over the drivers.
Opening across the long side : around 7.3cm
across the short side : around 4.7cm.
But in my opinion that is an improper way to estimate how they'll actually fit your head. The QC45's earpads depth and opening are smaller than the Hi-X65 and yet it's on the latter that my ear lobes touch the cover over the drivers and less so on the former.
Some hypothesis why that might be the case :
- the QC45's pads are shallower, but the "hard" part of the earcup is deeper right where the earlobes are, while for the Hi-X65 the entire depth is the pads' depth themselves and nothing else.
- the QC45's pads opening is narrower, but the pads immediately recede after the contact patch area, leaving room for your ear lobes right where they're likely to be, cf cross section :
+ the pads attachment mechanism is more economical with space in that area, ie while the pads' opening is narrower, once your earlobes are inside the available space is just as large if not more.
- The narrower contact patch for the QC45 places the earpads closer to the ear at the bottom rear, while the Hi-X65's larger contact patch area places them further away, where the shape of one's head is likely to recede more towards the neck and away from the "plane" around your ears.
- The thin and tall pads of the Hi-X65 may compress a little bit more when worn, and they tend to age rather quickly IMO in that regard.
In both cases though the yoke provide plenty of freely-moving range of motion so for me that isn't a differentiating factor.
Anyway, all that to say : these numbers may not be a good predictor of how they'll fit your head.
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