What would be the longest lasting pair of headphones I could buy? I typically only buy headphones in the "cheap" range due to the fact they usually only last 2 years at best, but I have some money and would like to experience better sound if possible.  I don't actually treat my headphones that...

Any suggestions on how to strengthen the jack?  Is there something I can buy that will make it so any random tugs etc wont damage it?  If I get access to a soldering kit, I'd like to replace it with a female jack, but I don't know when that will be or if I even have the experience to not screw...

I've been using JVC RX900's for 2 years now, but the right pad literally snapped off and I decided to buy a new set.  I picked up superlux hd 681 evo and I'm unsure If I like the sound I'm hearing or if im just so used to the JVC's that everything would sound wrong in comparison.  The JVC's are...

First question- I recently tried using my headphones in a different jack on my pc and realized that the front jack is about 30% louder then the back and speaker adapter jack.  Is there any reason for this?  The front jack also has some static which the other two don't have.   Question 2: I'm...