I have the Null Audio Enyo Cable, it brings the mids forward a bit and tighens up the bass. They are pricey new, but I've seen a couple here and there in the for sale forum $50...
I just got some MC5s in the mail that came with 3 sets of medium Olives. I like the triple flange on the MC5 better than the olives, so I thought what the heck I'll put the Olives on the Triple Fi. It took me about 20 minutes to cut the core out of them with some small scissors that come on a swiss army knife, but it was totally worth it. They fit as well as my TX500s, and I feel that the SQ has improved also, even over the complys that I trimmed. I'm definately going to use Olives from now on.
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Edited by KimChee - 12/11/10 at 8:32pm