Sennheiser HD 660 S Open Back Audiophile Headphones Planar Magnetic Headphone The main body was redesigned

The main body was redesigned to further reduce resonance as to provide a consistent sound

Transients are tight without harsh frequency smearing

Durable build quality engineered for professional wear and tear for a lifetime of use

Small and For All

For travelers who crave that full-size headphone experience but have limited space

Sennheiser HD 660 S Open Back Audiophile Headphones Planar Magnetic Headphone The main body was redesigned2 Years Warranty The Legend Continues The perfect blend of power and control, the HD 660S is a powerhouse open back headphone with the versatility to connect you to the deepest corners of your music collection. A Direct Connection To Your Music Known for their engaging signatures and liquid smooth response, HD 660S predecessors HD 650 and HD 600 shattered performance barriers in the audiophile headphone category. The HD 660S transcends the best of