They feel amazing for me. Easily the most comfy headband style I have ever used.

As others have said it must depend on head shape. My head is fairly generic shape/width and I wear a large size hat / helmet.

r70x for $235 usd

The way I explain EQ is that your curve is like a unique statue. And you can carve from that statue without losing detail, but not add to it.

If you buy a shit statue, or just don’t like it, you can chip off some (-db).

If you try to add clay back with (+db), you just lost detail on that area.

Personally, the entire point of buying headphones is different sounding curves. If you can only afford one set (such as HD600 although that would not be my recommendation), then sure, play with some preset curves or chase harman etc. And go with what you enoy most.

But probably better to just buy something you like listening to.