Hello from Singapore!
Gotten this at 49SGD (original is 179SGD) from stereo headphone concept store 3 weeks back. I tested the demo hem1 at the store and really enjoyed the clarity and comfort. Something to take note of is that the nozzle is much smaller (t100) than the typical t400 size. To be frank, I'm quite amazed at the isolation but I would certainly try out the foam tips soon for better bass and isolation. When I first tested the new unit right out of the box, I was a bit disappointed. The bass was really weak but as mentioned before the clarity was good. The sound stage at the initial stage was a little disappointing as well, don't get me wrong, overall it performs well but the lacking in bass led to virtually lacking in separation. In my opinion, it served as a very good stage monitor for vocalist/acapella for its clarity and high performances in the mids and highs along with seemingly no sibilance (at least that is what I perceived)
After using it for a few days, I gradually hear more bass and I now enjoy it a lot. Would I suggest it? Yes and no. Yes because it is light, comfortable, isolates well, nice looking and it is on sale. No, because the more recent typical chifi brands like KZ and TRN with hybrid design can easily outperform it out of the box at the expense of weight and comfort by a little. At the end of the day, the overall performance is limited by 1BA. Didn't have the chance to try out HEM4,6,8. But I have confidence the additional drivers would not disappoint.