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Sennheiser HD660S Open Back Headphones with Detachable Cable

  • Successor of legendary HD650 audiophile headphones
  • Delivers reference-class sound when connected to Hi-Res mobile players
  • Distinct bass, excellent mid-frequency response and natural treble extension
  • Professional audio cables made of highly conductive OFC copper

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  • Sennheiser HD660Sn

    Sennheiser has made some slight modification on the driver, headband, yoke and deco part of the HD660S audiophile headphones. Based on the legendary HD650 headphones and improved in many aspects the HD660S delivers reference-class sound also when connected to hi-res mobile players offering more versatility. Sennheiser HD660S is an elegantly designed piece of high-quality engineering that indulges the demanding listener with aural precision and great wearing comfort.

    Purpose designed to surpass the prodigious performance of its precursor, the HD660S has been crafted to cater for the most demanding and critical audiophile listeners. With a crisp bass, excellent mid-frequency response, and a gentle, natural treble, the HD660S has an expressiveness that immerses you in every emotion and nuance of music.

    Sennheiser HD660S unveils its full potential when connected to the balanced outputs of a devoted headphone amplifier such as the HDV820, or to the balanced output of a mobile digital audio player. It comes with a choice of cables for just about any occasion. All cables are made of highly conductive OFC copper, featuring very low handling noise and sturdy reinforcement.

    New sonic realms.

    Sennheiser HD660S - 2019 Edition

    2019 Edition
    Sennheiser HD660S is able to outperform its precursor with an update of critical aspects of the design for crisp bass, excellent mid-frequency response, and a gentle, pleasantly natural treble. This reinvigorated 2019 version of Sennheiser HD660S headphones features slight modifications on headband, yoke and deco part.

    Progressive Technologies
    Fully reworked and tweaked drivers developed by Sennheiser results in improved control of the diaphragm movements thanks to a specially manufactured precision stainless steel fabric, which is adapted to the contour of the diaphragm.

    Supreme Connectivity
    HD660S has been created to enjoy music in supreme quality and from many different audio sources. Thanks to its low impedance it also offers reference-class fidelity with hi-res mobile players. With a wide array of different included cables and connectors the HD660S is sure to blend seamlessly into existing audio set-ups.

    Sophisticated Comfort
    Everything about the HD660S makes listening a pure pleasure with its strong yet lightweight open construction. Special elliptical earcups are shaped to follow the anatomy of the ear, while thick padding on the headband and the replaceable earpads guarantee hours of listening in supreme comfort.

     

    TECHNICAL SPECIFICATIONS

    • Ear coupling: Circumaural (around the ear)
    • Transducer principle: Dynamic, open
    • Impedance: 150Ω
    • Frequency response: 9Hz - 41.5kHz (-10dB)
    • Sound pressure level (SPL): 108dB at 1V 1kHz
    • THD + N, total harmonic distortion and noise: < 0.04% (1kHz, 100dB)
    • Connector: 6.35mm / 4.4mm Pentaconn
    • Weight: Approx. 260g (without cable)

     

    FEATURES

    • Refreshed 2019 Edition with changes on driver design, headband, yoke and deco part
    • Successor of the legendary HD650 audiophile headphones
    • Redesigned transducer design with specially manufactured precision stainless steel fabric
    • Delivers reference-class sound when connected to Hi-Res mobile players
    • Distinct bass, excellent mid-frequency response and natural treble
    • Reveals full potential when connected to balanced outputs of dedicated headphone amplifiers
    • Cables made of highly conductive OFC copper for very low handling noise
    • Strong and lightweight open construction provides high-end comfort
    • Thick padding on headband and replaceable earpads

     

    PACKAGE INCLUDES

    • Sennheiser HD660S Headphones - 2019 Edition
    • Audio cable with Unbalanced 6.35mm TRS termination (3m)
    • Audio cable with Balanced 4.4mm Pentaconn termination (3m)
    • Adaptor cable 6.35mm to 3.5mm jack
    • Storage box
    • Manual

     

    1. BrandSennheiser
    2. Cable EntryDual Sided
    3. Cable LengthMore than 3m
    4. Cable Length TextAudio cable 6.35mm TRS (3m), Audio cable 4.4mm Pentaconn (3m)
    5. ColourBlack
    6. Connectivity TechnologyWired
    7. Connector AngleStraight
    8. Detachable CableYes
    9. Driver TypeDynamic
    10. Earcup DesignOpen Back
    11. Frequency Response9Hz - 41.5kHz
    12. Headphones TechnologyDynamic
    13. Headphones TypeHeadphones - binaural
    14. Headphone Fit TypeOver Ear
    15. Impedance150Ω
    16. Manufacturer Warranty2 Years
    17. Number of driversSingle Driver
    18. GTIN4044155249569
    19. Part Number508826
    20. Product TypeHeadphones
    21. Recommended useDigital audio player;Hi-Fi;Studio;TV
    22. Feature keywordComfortable;Hi-Fi;Open;Over Ear;Over Head;Professional;Studio;TV
    23. Sensitivity108dB
    24. Sound Output ModeStereo
    25. Headphone ApplicationStudio;TV;Work
    26. Headphones Form FactorOver Ear
    27. Included AccessoriesAudio cable 6.35mm TRS (3m), Audio cable 4.4mm Pentaconn (3m), Adaptor cable 6.35mm to 3.5mm jack, Storage box, Manual
    28. Sound Output ModeStereo
    29. Total Harmonic Distortion<0.04%
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