Sennheiser HD660S2 Open-Back Headphones Headphones Modular and fully configurable

Modular and fully configurable

SW1X's research indicates that the clock signal quality is the primary determinant of the analogue musical character of any digital system

The matching 22awg (-) conductor is directly braided around the cotton-encased (+) Fusion conductor

Bluetooth remote control

Sennheiser HD660S2 Open-Back Headphones Headphones Modular and fully configurableThe 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