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So I recently figured out that every dynamic driver earphone I've used has given me driver flex, and it's come to a point where earphones are pretty much unusable. A couple months ago, I acquired a pair of Creative Aurvana 3's, a dual balanced armature, and received absolutely no driver flex. Unfortunately, the wire on the right earphone has shorted already, so I'm wondering do all balanced armature earphones remove the possibility of driver flex? I'm stuck using on ears at the moment (UE4000's) which are nice, but I prefer the isolation and size of earphones. Additionally, are balanced armature earphones less susceptible to sound leak? It seemed that my Aurvana's leaked much less sound than dynamics.