Hello,    Last night I noticed that the right earpiece of my XBA-40 no longer forms a seal/vacuum with my ear canal. It won't seal on any(one's) ear, while the left earpiece seals fine on my right ear. I've tried many different combinations of earbuds to no avail. I can't see any visible...

I recently lost my Phonak PFE "perfect-bass" IEMs. They were my first balanced-armature IEMs and I fell in love with the detail and texture they provided. The bass quality was perfect, but I could've used a little more quantity.    I am a DJ and will be using these IEMs as monitors during...