Hmmm, those look like they are in the same range I would say. These are marginally different / better at most, looking at e.g. The HiFiman. Not really next step, I would say.

Quote: So, what would you recon as a real next step IEM then? I have the S2, but I'm looking for a replacement with a lot better isolation (both in and out) and something that is next step in terms of SQ. I kinda like the signature of the S2 but might want something more neutral. I listen...