AmericanSpirit
Member of the Trade: Night Oblivion
Thanks for the input! Omg your other IEM trick!! We accidentally coincide to do same thing, I did that when very first batch of Sennheiser IE8(back then it was the most eye catching IEM of the age) arrived and found adding form underneath the silicone tip helped isolation and kept sound signature still.That is really nice to hear! You won’t regret it!
I have one more recommendation. I already hinted at it in the review. Absolutely try custom foams!
A pair of Moldex or Bisom hearing protection foam plugs will do the trick. Use a sharp knife to shorten the length (~40% worked for me) and pinch a hole in the middle. It solves the only issue I had - ear pressure. It makes the RSV fit like a custom and isolate just as well! (I have 6 pairs of CIEM.) This does not work with Comply! This mod is the real deal! Tight bass, no loss in extension, no ear fatigue.
For other IEM, you can try squeezing the foams underneath silicone tips. Not as cool as the CIEM-like fit, but necessary to not block vents or consider the fit as it was designed.
Will definitely give it a shot for your trick.
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