I'm trying to decide between these two headphones, JVC HA-RX700 or Panasonic RP-HTF600-S which are similiarly priced.   My headphone experience has been limited to mostly cheap in ear or low end headphones.   The only decent headphones that I've had are the Koss Porta Pros, Monoprice...

Moved it to help section.

Also, I didn't have the Monoprice for very long so they never got broken-in...don't know aobut the breaking-in period.   Does breaking-in headphones really make that much of a difference?

Let me start off by saying, I've not had a lot of quality headphones in my life.   Most of them being cheap inner ear crap that I ended up yanking out inadvertantly, breaking them.   So I tried the wireless route this time and got the TDK WR700 which retail for over 200, but picked up a...