Released in 2017, the Sennheiser HD 660S has its share of fans who enjoy the neutral, dynamic and forward sound. However, some people have felt that it's lean in the low end. Articulate bass? Yes. Thumping, deeply extended bass? No. So when Sennheiser set out to make a V2 of this headphone, they made a point to address the low end. But that’s not all that’s changed with the HD 660S2.
Sennheiser HD660 S2 Review & HD 660S Comparison [Video]
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