Hello head-fi'ers,   I am planning on getting a Sennheiser HD650 and I read several threads about them on the head-fi forums. In one of them I read that the biggest factor in getting a noticable better sound quality out of your music is the type of file you're playing (e.g. mp3, FLAC etc.)...

Is it normal that each earcup of a headphone produce the music different?  For example, the left earcup produces more bass than the right one and the right earcup produces more highs than the left one? I started noticing this a few days ago and I was wondering wether it was the headphone or...

Are DJ headphones suited for portable use (like phones), and if so... will they need an amplifier to sound the way they should?   Thanks in advance

After 4 years of using Creative- and Sony in-ear plugs, I figured that music sounds so much better through headphones. So now I'm looking for very good headphones that suits trance music the best. I almost always listen music on my phone, so I don't know if I'm able to use headphones like the...