This review has been removed because it's very outdated.

This review has been removed because it's very outdated. Mad Dogs have seen a lot of work since this!

Very Grado-y sound signature, but closed. An amazing portable headphone. Very easy to "personalize" with other colored pads and also very easy to disassemble. HD650 cable fits when flipped over. Amazing phone for the price and portability.   Unfortunately, comfort is an issue for some (myself included). I've had to return them because they clamp my head like a vice.

With no break-in, the 80i's were an immense improvement from my previous headphones (some 30-or-so-dollar over-the-ear headphones).   I carried these loose in my bookbag with a laptop and schoolbooks and they didn't break. The whole semester I had owned them, too. They're very well built! They're open backed, with all the pros and cons of that.   The sound is pretty interesting. It's hard to describe - It's Grado sound. The bass is punchy (not wubwubwub) and the highs and mids are great, too. Rock sounds beautiful - The Who, The Beatles and Los...