Sennheiser HD660S2 Open-Back Headphones Headphones 000 Hz (-3 dB) |

000 Hz (-3 dB) | 6 Hz - 46

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housed in Kokutan striped ebony ear cups

single-ended RCA Digital inputs USB

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Sennheiser HD660S2 Open-Back Headphones Headphones 000 Hz (-3 dB) |The latest evolution of Sennheiser's legendary HD 600 series, the HD 660S2 delivers a tuning refinement over its predecessor with more extended bass and a smoother overall response, while preserving every bit of the midrange magic that made the series famous. Type and Technology Over ear, open back, dynamic. 38mm transducer with Sennheiser's precision engineered aluminum voice coil. Handcrafted in Ireland. Sound Character Warm, refined, and