After reading many positive reviews of these headphones I was ready to purchase these in a heartbeat. When they arrived at my door I was very impressed by the packaging; high quality, professional and neat. When I first hooked these up to my iPod i was pretty impressed by the sound quality of these IEM's. However, after about a week ago I found that these headphones had severely diminished in sound quality and sounded like they were underwater. I then realised that it must be a loose connection.  I then took advantage of the warranty available with...