Sennheiser
Sennheiser HD 660 S2 Open Back Headphone - Black
Experience unparalleled sound with the Sennheiser HD 660 S2. Featuring high-performance transducers, this headphone offers a natural and warm sound with deep bass. Designed for comfort, it boasts an open back design, elliptical earcups, and velvet-covered cushions.
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Updated on May 18, 2026
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