AdamQK
Head-Fier
Well the only thing I noticed was when I pushed slightly more on the earphones the sound generally improved so I'm probably going to try a set of comply tips to see if a better seal makes a difference.
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I'm sure they will, but - again - I was shocked that they didn't supply a pair at this price so that you could check it out. I have some comply tips for my other earphones, but they didn't fit the Pioneers. Unsure of the right size and faced with extra outlay just to see/hear if they made a difference, I thought, "Ah, feck it" and sent them back.