Hifiman he400se vs Sennheiser HD560s (Comparison) - I bought both

Both are fairly comfortable. 560s feels like it has slightly more clamping force, but it's also lighter weight. 400se has larger and deeper ear cups, friendlier to people with bigger ears, though 560s isn't bad in that regard.

He400se doesn't need an external amp. It can be fine if you like music quieter, and it still sounds good, but not having one limits your options. On my audio interfaces, I find that there's a very fine line between loud enough and clipping, which is limiting. The apple dongle works fine with it though, but maybe I just like music to an unhealthy loud extent.

In terms of tone/freq response, I'm not the most technical or well versed in this regard. But I feel like both are versatile, relatively balanced while appealing to people's preferences.

560s soundstage has a lot of reflections in the higher frequencies, whereas the reflections of he400se feel more balanced across the spectrum. This may just be personal bias, but I feel like he400se a bit more plain , accurate and neutral, have a bit more body. Whereas 560s offers more of an angle.

I slightly prefer the sound of the he400se. But 560s are probably a safer recommendation for the needs of the average consumer. Lightweight. Bass and treble are more apparent. Louder / No need for external gear / no risk of clipping.

Hypothetically, if he400se weighed less (but same size/shape) and required less gain, I'd crown it the winner. But as is, I think both are dead-even.

Your thoughts?