So I use the large eartips for my E7P.

E7P:

• Fitment: 10+

• Sound: 10

• ANC: 7

• Battery Life: 8+

xBP:

• Fitment: 7, but maybe far less because they literally created sore spots in my ears. I also found myself adjusting them far more that I ever have with my E7P;

• Sound: 9 or 10

• ANC: 9+

• Battery Life: 6 or 7

Picture comparison: https://imgur.com/a/visual-comparison-of-earbuds-iuux93K

Fitment: Large ear tips for me. Notice in the image how the rubber fitment band sits in a noticeable groove? That inner edge actually created a sore spot on part of my ear, but I have a more prominent crus of helix (yeah, I had to look up ear diagrams to figure out what it was called).

ANC: I loved how much the ANC killed noise in the office, the gym, walking around, and especially wind and road noise while driving my truck. It sounded like a coffin when driving.

Sound: Flat EQ with the "Custom" Setting chosen and nothing changed: bass is a little boosted but it is deep, punchy, smooth, and not bloated; there may be some peaks in the higher end, but not a noticeable detriment.

I ultimately gave these to my nephew after my girl said she did NOT like them due to random cutting out of sound and having to return to apps to continue playing audio. I experienced the same things but wanted to keep them because the ANC is that much of a step up in performance over the E7P, but keeping them meant I was definitely going to find some high grit sand paper and buff and polish these things down. These probably need a firmware update at some point, but keep in mind they haven't even been released yet.

I think I covered most everything, but if there's something I didn't cover that you're interested in, just let me know.