Just got mine. I started with the double flange tips and the bass actually sounded thin to my ears. I'm listening with spiral dot tips now and I'm loving it. Part of my bias might be that I was listening with Nuforce HEM-6's before these, and they have a dark signature. @FaezFarhan, spiral dots have both ML and MS intermediate sizes, which you may find a better fit if the mediums aren't right.
I'm listening with a Chord Mojo or straight out of a Samsung Galaxy 8. They are very efficient and I think that really helps with the smartphone, leaving power for transients.
skidmataThe double flange sounded horrible to me. I found a set of comply that fit (my included foam tips did not fit correctly) and the sound is much improved. They're almost too bass heavy and this is coming from a bass head. I said almost... but not. I love them!
FaezFarhanI'm using the CP-100M for the spin-fits or EP-FX9ML-B for spiral dots. I try to get as good a seal as possible to preserve the bass but not so much as to become uncomfortable. I was wearing the largest of the double flanges.
skidmataJust a quick follow up. After weeks of listening, I still love them. These are my main iem's now and I don't see looking for anything else in the near future.
I'm listening with a Chord Mojo or straight out of a Samsung Galaxy 8. They are very efficient and I think that really helps with the smartphone, leaving power for transients.