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Sennheiser HD 660 S

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Sennheiser’s new HD 660 S is the ideal open, dynamic headphone for the passionate audiophile.

Sennheiser’s new HD 660 S is the ideal open, dynamic headphone for the passionate audiophile. Meticulously crafted for most demanding listener, the HD 660 S builds on the legacy of the legendary HD 650, surpassing the exceptional performance of its predecessor with a new and improved transducer design that delivers lower harmonic distortion for an even more natural, lifelike audio experience. It is exceptionally accurate and transparent, yet has an expressiveness that immerses you in every emotion and nuance of music.

With a lower impedance of 150 ohms, and a wider choice of cables that includes both balanced (4.4 mm Pentaconn) and 6.35 mm connectors, the HD 660 S offers the versatility to enjoy reference class high fidelity sound with stationary and mobile players alike.

Awards & Reviews

EISA award - Best Product - Headphone 2018-2019

"Seventy-three years young, Sennheiser has long dominated the hi-fi headphone market – and the new HD 660 S shows just why. This modern rework of a classic open-back design is fashioned with great care, using hand-selected transducers and sturdy detachable cables."