Finally got around to putting on my Comply T-500 tips. Difference is night and day compared to the UE silicon tips, though whether or not it's a positive one I'm still trying to decide. The high end is definitely more "tame" as with any foam tips, and the upper mids are more forward, with the biggest difference being in the sub-bass, increased tenfold, a lot more punch and extension.
Which leads me to the point that it almost gives these FXD80's a Sony sound signature, with a borderline harsh upper mid-range, especially with female vocals, not sure if it's my cup of tea. It's not bad, but it's definitely different from what I was used to. I don't know if it's just me or not, but it almost seems as if the FXD80's superb black levels are dramatically reduced with these foam tips, which could be an illusion since the highs are rolled off which decreases the perceived clarity. Although the FXD80's highs are rather pronounced, they weren't ever harsh or fatiguing to listen to, so having them rolled off in my opinion attributes to a general loss of definition. Do keep in mind I prefer bright sound signatures and that's what made me fall in love with the FXD80's so much, so I'm not 100% sold on the Complys yet.
The only real positive thing I can say at this point is, compared to my UE silicon tips which didn't fit as well as I wanted them to, these fit perfectly and provide amazing isolation.
EDIT: fixed the sound signature, moved the tips farther in so the opening is much closer to the speaker opening. Sounds great now!
To be completely honest, I'm still trying to pursue audio perfection, benjamin by benjamin. I'm afraid I'll have to jump at least 2 or 3 benjamins to be blown away by the next pair of IEMs I upgrade to, especially since these FXD80s are so great!
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