Oct 19, 2017647 views

NEW Sennheiser HD 660 S

So this is why we've been getting such great deals on the HD 6XX (650). The new HD 660 S has been recently announced. There don't appear to be any (legitimate) reviews yet. While I'm curious to know how they stack against the 650's, I'm so content with my 650's that I doubt I'll care to drool over the 660's.

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