Sennheiser HD 660 S - High-End Audiophile Open Back Headphones

Discover the remarkable Sennheiser HD 660 S, a reference class open-back headphone that revolutionizes the audiophile experience. Engineered with cutting-edge, newly developed transducers, this headphone delivers an unparalleled listening experience marked by exceptionally low harmonic distortion. Each transducer undergoes meticulous hand selection, ensuring a precise left/right matching tolerance of only 1 dB, resulting in exceptional accuracy and a rich presentation of stereo spatial characteristics. With...

Discover the remarkable Sennheiser HD 660 S, a reference class open-back headphone that revolutionizes the audiophile experience. Engineered with cutting-edge, newly developed transducers, this headphone delivers an unparalleled listening experience marked by exceptionally low harmonic distortion. Each transducer undergoes meticulous hand selection, ensuring a precise left/right matching tolerance of only 1 dB, resulting in exceptional accuracy and a rich presentation of stereo spatial characteristics. With an ergonomic design that ensures comfort during extended use, the HD 660 S is not just about incredible sound, but also about creating a listening environment that feels very personal and immersive.

• High-Performance Transducers: Enjoy low harmonic distortion and superior auditory performance thanks to Sennheiser's innovative transducer technology.
• Precise Audio Matching: Hand-selected transducers guarantee a precision tolerance of just 1 dB, offering incredible acoustic accuracy.
• Wide Compatibility: With a nominal impedance of 150 ohms, these headphones can be directly connected to both home and mobile high-resolution audio devices.
• Detachable Cables for Flexibility: Equipped with para-aramid reinforced, detachable cables made from high conductive OFC copper that ensure signal integrity while minimizing handling noise.
• Multiple Connection Options: Comes with two connection cables (6.35 mm and 4.4 mm Pentaconn) plus an adapter for added versatility.