I recently purchased the Shure SLC4 and am always careful to clean the nozzles of earwax but after about a month one ear became noticeably quieter than the other (yes I made sure by swapping ears) and I suspected that the nozzle was too clogged I cleaned it as well as I could but that ear still...

Ok i've searched around the forums and on Google but im having trouble finding companies in the UK that do custom ear moulds for Shure IEMs. (I am unfortunate enough to have very small earholes and all the sleeves I've tried hurt if I use them for extended periods.) I have a pair of Shure e4c's...