3 of 5 people found the following review helpful
Simply don't work,
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This review is from: Comply T-400 Isolation Earphone Tips - (S/M/L) Platinum (Electronics)
I tried all three sizes on my Sennheiser IE6s hoping they'd make the sound even better. I persevered and adjusted and waited for them to heat and expand etc. Nope. They have a huge design flaw: They are longer than all the stock buds, therefore once fitted, the speaker/monitor is a good 5mm further away from your eardrum than they were designed to be, even with the small and medium ones. This appears to be why they sound so awful. Pretty much all bass in particular was lost despite them feeling more comfortable and secure/isolated. Pointless.