I haven't heard the O2, but I have owned the Magni and apparently they are very similar. I'd go for the M-stage. It complements the K701's better. Bigger soundstage, more refined and darker sounding. Not as fast or sharp as the powerful Magni, but the K701's are anything but slow anyways.
- 3,551 Posts. Joined 1/2011
- Location: On your nerves
- Select All Posts By This User