I just got these yesterday and am impressed enough to write this while drinking my morning coffee, which is quite a compliment. One key point I would make is that while several reviews mention a V-shaped sound signature and strong bass, how noticeable that is will depend on what your previous headphones were. To me, the bass in the JVC S500 I was using felt excessive at times and I was nervous that these would be the same. In reality, the bass in the 681EVO feels perhaps a tiny bit less pronounced and I like it. Overall, I'm impressed with the sound...