I was overall unimpressed with the Focal Spirit One cans.  I'm hardly a connoisseur of headphones, but I was let down a bit by the sound and the manufacturer's advertising.   I compared these to my reference headphones, which are at the moment a pair of Sony MDR-V6.  I would be comparing them to some Denon AH-D950s from ~2000, but they are (alas) broken.  My overall impression of the Focal Spirit One is this: good, but you can find much better for less money.   The Sound: I found the sound to be pleasant - it leans toward warm with very...