Sennheisers' new HD 660 S is the ideal open, dynamic headphone for the passionate audiophile. It is exceptionally accurate and transparent, yet has an expressiveness that immerses you in every emotion and nuance of music.
Reference-class open dynamic wired headphones
Enjoy sophisticated audiophile sound in even more listening situations.
Cutting-edge Sennheiser technology
Meticulously crafted from hand-selected components and specially developed acoustic materials, these headphones deliver incredibly low harmonic distortion for an exceptionally natural, lifelike audio experience.
150-ohm nominal impedance
Offers the versatility to enjoy reference-class high fidelity sound with stationary and mobile players alike.
Choose a connection
Includes connection cables with either 6.35mm stereo plug or a 4.4mm Pentaconn balanced stereo plug. A 6.35mm to 3.5mm adapter is also included. The detachable cables are made of highly conductive OFC copper.
Designed for high-end comfort
The elliptical ear cups are shaped to follow the anatomy of the ear, while thick padding on the headband and the replaceable ear cushions guarantee hours and hours of listening in supreme comfort.
The look of sophistication
It is a high-end aesthetic that embraces both timeless elegance and contemporary style - uncompromising in its craftsmanship.