Side note. That Bosshifi B7 I got in my mistake for the B6 I wanted actually has different earpads on it compared to my previous one. Previous one had similar fenestrated earpads, but the ear hole opening was very oval and very small. The new one is like the B7S in that the opening is perfectly round this time. While still too small for my ears, it is definitely much more comfortable overall. The sound isn't that much different either. Here is the best photo I found of the old one online And here is the picture of the newer one. Doing A/B on them right now and trying to see how the sound may be affected. Update the open pads sound a tad better. The sound is more open and airy. Most people complain that the soundstage of the B7 basically like a closed headphone. I think the original earpads are making that happen. Second, the highes are much higher with the older pads. They are hotter and with some voices very harsh. The newer pads take just a slight edge off those same highes. Guessing the extra air in there is helping with that. The other difference is the foam. The old pads had a thick piece of foam inside them. The new ones don't. it's pretty much panty hose material separating the earpads from the driver with the newer pads. I think this helps the sound a tad. Lastly the drivers are reversed in direction. My first pair the drivers face from back to front in angle. In the newer pair they are from front to back. From what I've learned is that the proper direction is from front to back facing so the sound bounces off the back of the actual ear before bouncing down inside the canal. That bounce effect is what causes soundstage to sound wider in headphones as well. This is what the Sennheiser HD800s does with its drivers. So the newer B7 sounds better than the older one. Here is a picture of the two B7's with the left earpads off each. Top is old and bottom is new. For reference the B7S has the drivers facing from front to back as well. Here is an image of the Sennheiser HD800s for reference that allows you to see the angle of the driver.