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Sennheiser HD 660S2

Stories from across the site that focus on Sennheiser HD 660S2.

Does Your Sennheiser HD 660S2 Need a DAC Upgrade? Real-World Testing

Does Your Sennheiser HD 660S2 Need a DAC Upgrade? Real-World Testing

Discover how much a dedicated DAC actually improves the Sennheiser HD 660S2’s sound, and whether it’s a must-have for your setup or not.

Sep 6, 2026