Hello,   I want to get a headset, this will be my first 'good' headset because I've never paid more than $50 for a headset so far.   These are the options that I have access to and I can afford: (ordered by price, low-high) 1) Sennheiser HD429s 2) Sennheiser HD512 3) Sennheiser HD558...

Hello,   I've bought 2 extension cables (3 meters) to use in my home, cables are quality, connectors are firm and there is no sound-quality loss. Unfortunately though, it seems that the cables have wrong wiring where the Left/Right are reversed.   Do extension cables tend to do this or did I...