Sennheiser has launched the HD 660S dynamic headphones using a new transducer design that delivers lower harmonic distortion for a more natural audio experience.
Sennheiser said the new model builds on the legacy of the HD 650. It has a lower impedance of 150 ohms, offering greater versatility with both stationary and mobile high-resolution audio players.
“The headphones deliver an exceptionally accurate and transparent sound that also has an expressiveness that immerses you in every emotion and nuance of music,” said Axel Grell, a product manager at Sennheiser.
The improved acoustic design of the HD 660S ensures low harmonic distortion, while Sennheiser’s proprietary transducer offers improved control of the diaphragm movements thanks to a specially manufactured precision stainless steel fabric, which is adapted to the contour of the diaphragm.
The transducers are selected and paired by hand to guarantee consistently narrow (± 1 dB) tolerances, while their extremely light aluminum voice coils ensure the highest impulse fidelity. Together, these refinements achieve authentic, lifelike sound with crisp bass, excellent mid frequency response and a gentle, pleasantly natural treble.
The elliptical ear cups are shaped to follow the anatomy of the ear, while thick padding on the headband and the replaceable ear cushions provides a relaxing and luxurious experience.
The headphones offer a choice of connectivity options. The detachable connecting cables made from highly conductive OFC copper offer either a 6.35 mm stereo plug or a balanced 4.4 mm Pentaconn stereo plug, with a 6.35 mm to 3.5 mm adapter also provided.
The HD 660S will be available from mid-October for about $591.00.
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