Sennheiser HD650 Open Back Headphones with Detachable Cable

Highly optimised magnet systems for minimum harmonic and intermodulation distortion Systems with narrow tolerances (± 1 dB), hand-picked in pairs High-quality titanium/silver finish A specially developed damping element, made from fine acoustic metal mesh, ensures a precise damping over the entire diaphragm surface, highly constant in all climates. Specially modulated connecting cable (detachable) made from highly conductive OFC copper, with very low handling noise, i.e. low structure-borne sound sensitivity Extremely lightweight aluminium voice coils ensure excellent transient response