After scanning the 146 IEM shootout thread for bassy, rumbling IEMs in the $75 range, I've settled upon these two. I tend to generally listen to electronic music (house, dnb, dubstep, glitch, ambient, etc.), but also listen to various other genres. Now, as far as I can tell from those reviews in that thread, the NE700X seems more well-rounded than the Eterna, but the Eterna seems to do better with soundstage and fullness.
I can't tell which of the two has stronger, more accurate, and more punchy bass. Also, I can't tell how much more clarity and resolution the NE700X has in comparison to the Eterna.
One thing I particularly want to avoid is harshness, and even though the NE700X is seen as "mostly free of harshness", it is also "softer-sounding at the high end than the... Eterna". This doesn't necessarily mean the Eterna sounds more harsh than the NE700X, does it?
Finally, my last pair of IEMs was a VModa Vibe, and I sometimes had trouble keeping them in my ear canals. Would this make a stronger case for the Eterna, due to how it is reported that "the rear edge of the shells can push against the outer ear"?
These two IEMs do seem very similar from these reviews, with the defining difference being that the NE700X sounds more forward, while the Eterna sounds more dark and full. I'm not even sure about that though - please correct me if I'm wrong.
Thank you in advance!