"Excellent, well balanced, smooth sounding cans!"4.5 starson
Pros: I have Bose Triports, Koss KSC35, KSC50, PortaPro2 for comparison. These Koss PRO3AA's are better than the bass peaked Portapro's! They come close to Bose Triports in bass and with more midrange than Triports. I keeping both for various moods. Both are
Cons: Nothing major, but if I had to say so these are a bit big and bulky. A little on the heavy side may get tiresome during long sessions. Not as much sub-bass as my Bose Tri-Ports (but more than adequate, nevetheless).