After getting some 40 hours of use on these pair of ‘phones, here’s the updated impression:
Bass: The bass seems to have evened out, not so in-your-face, but still very much felt and heard. It seems to have ‘moved back’ a little, almost like they traded an up-front spot for something more wide-sweeping. Positive change for me.
Mid-frequency: Not much noticeable change, maybe due to a lack of in-depth EQing.
Treble: Again, not much in the way of noticeable change, but the ‘sharp’ feeling seems to have lessened, to the benefit of clarity. Still undecided on the soundstage for this.
Comfort: I’m beginning to notice a slight tendency for the earcups to press on the rear of my earlobes. Not to the point of being uncomfortable, but it warrants occasional adjustment, especially if you’re prone to sweating. It gets a little warm in the ears after a while of extended listening (3+ hours continuous usage will definitely see this occur; over an hour of you’re in a warm area). The ATH-M50 stock earpads are definitely better in this sense. Clamping force is lessened (due to extended wearing), but doesn’t compromise in terms of isolation. I attribute this to the close fit of the earcups.
External noise/sound isolation: Without music through, they still leak a tiny bit of sound in, but otherwise unchanged from the first impressions.
Portability: They’re excellent in this respect. Folds up nicely, doesn’t feel like they’d break or loosen due to repeated transportation and folding.
Final comments: Very much satisfied with ‘em, price and all. Next in line, looking at a pair of Shure SRH440. Auditioned them a while ago, but since I lacked a serious pair of ‘phones to compare them to, I couldn’t tell if they were really good. I’ll be hauling the M35 to my next pre-purchase audition session, for a good side-by-side comparison with familiar tracks. Easier to tell ‘em apart this way.