Gee, why didn't I think of that. :^P Too late.
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They're in my hands.
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The paint and overall finish on the plastic is nice. Definitely better than a great many pairs of headphones in general, let alone in its price range. It reminds me a lot of the finish on my Sony WH-1000XM3, which retailed for $300.
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The cable is wayyyy nicer than what I was expecting. To me, premium even. Most cables that come with headphones under $100 aren't even decent, from what I've seen.
Sound wise, well, there isn't much to say, really. My impression matches Amirm's, especially the bass portion. Luckily, I don't prefer the 5dB suggested bass boost of the Harman target, I just like it flat. So, while it certainly isn't anything to write home about at all, the drivers don't distort with deep bass with my flat bass target as bad as they do with Harman's recommended one. I'll post my EQ settings once I have access to my laptop.
One thing I will say is that the stock sound is very comfortable, almost giving me Dan Clark vibes. They are extremely light, really in the tier of a Koss Porta Pro, and simply fit on the head cozily. Everything about these headphones is comfortable. I think that's the biggest takeaway. Also like a Porta Pro, they fit very securely. I've already worked out in them, and can say they get a pass for all but the hardest of sprints and springiest of burpees. They're fine for mile runs and typical lifting. Unlike a Porta Pro, the MDR-ZX110 have a very conventional, modern design that is subdued and easy on the eyes. The Porta Pro's retro style is cool, but it stands out, and some may not like that. The Porta Pro is also often triple the prize of the ZX110 or more, and the Porta Pro already was cheap!
So, all in all, the Sony MDR-ZX110 make a nice, knock-around pair of cans that are ready for whatever. I'd say their sound is still cozy, if a bit muffled, for those who I don't want to know who disagree that EQ can improve any pair of headphones.