PelPix
100+ Head-Fier
- Joined
- Jan 11, 2010
- Posts
- 284
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- 26
Can anyone here compare these two? I know I want headphones in the signature of the 668B. All the reviews I see for the 681 series are for the standard, which is notably compressed and bass-heavy. I haven't found a single review for the 681B, which should theoretically be like the 668B but better.