http://www.head-fi.org/forum/thread/407158/still-abit-confused-about-diffrent-versions-of-beyerdynamic-dt770-and-mmx300
First of all the DT 770 PRO and DT 770 (Edition 2005 -
Consumer Version) are "related".
The differences are the headbow (more tension on the DT
770 PRO), the housing (causing both headphones to soun
d slightly different) and the packaging. The different
impedances:
- DT 770 PRO in 80 or 250 Ohms (32 and 600 Ohms are spe
cial versions and not available for retail)
- DT 770 (Edit
