I own both the SHP-9500 and SHP-9500S, only difference that I was able to tell was the bass seems a little better on the S version, and the S version came with a crappier cable, but I use the V-Moda cloth $12 cable from Amazon anyway. Stock ears are super super comfortable, but get way to hot on my ears, oddly enough the HM5 leathers never do hot. The earpads pop right off on both models, it just takes a lot of force, you won't break anything, its just a weird design. The HM5 leather or Shure 1540 Alcantara earpad wrap all the way around the...