Pros: Best value for getting the "club" experience in a can.
Cons: Ears can't breathe under the suffocating ear cups.
If you've ever thought to yourself that Sennheisers do not reproduce bass heavy music, then these are the cans for you. Not only are they cheap, but they have the very, very low end bass frequencies are essential for enjoying big booty miami bass, dirty dirty south, and other club music.
Save the Sennheisers for when you're having your Grey Poupon brunch. The XB-700 is the thong hanging out of the jeans type headphone.