26 July 2011 The date I posted on this thread.   26 Mar 2012 My IE7 is dead. Audio only comes out from the Left side. The right side is dead.   The lifespan of this IEM is 9 months. I'm bring it to Sennheiser for repairs.   Let's see if this cat can be revived for its nine...

I just got my IEMs yesterday and I'm going to be doing this review progressively.    I'm using IE7 mainly for heavy metal (with a heavy focus on melodic death metal). When I first got my IE7 i sounds horrible. The bass so bloated. The only way the bass can sound good is the bass getting...