PFE232 no doubt has somewhat recessed mids which I tried to resurrect using different filters or some kind of digi eq's but with no big results. Seems the two little BA transducers inside aren't capable to cover alongside the whole fq spectrum, but this is a smart tuned set anyway and the sound...

Forgot to add that I've been using it with Comply tips which differ from the silicone tips very much.

I've seen your comment about Phonak PFE232. What a comparison could be done? I found Phonak playing a little bit with a contour ie. treble extension, sort of boomy bass, recessed hi-mids, something like a gap between low-mids and trebles. Is the 334 that much different from the 232? What about...