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Sennheiser HD660S Open Back Headphones with Detachable Cable - 2019 Edition

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  • Refreshed 2019 Edition with slight alterations on external design

  • 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

Sennheiser HD660S Open Back Headphones with Detachable Cable - 2019 Edition

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Sennheiser HD660S - 2019 Edition

Refreshed in 2019, 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

 

BrandSennheiser
Product TypeHeadphones
ColourBlack
Feature KeywordComfortable, Hi-Fi, Open, Over Ear, Over Head, Professional, Studio, TV
Recommended UseDigital audio player, Hi-Fi, Studio, TV
Manufacturer Warranty2 Years
Included AccessoriesAudio cable 6.35mm TRS (3m), Audio cable 4.4mm Pentaconn (3m), Adaptor cable 6.35mm to 3.5mm jack, Storage box, Manual
Part Number508826
GTIN4044155249569
ConditionNew
Headphone Fit TypeOver Ear
Headphones TypeHeadphones - binaural
Cable EntryDual Sided
Cable LengthAudio cable 6.35mm TRS (3m), Audio cable 4.4mm Pentaconn (3m)
Connector AngleStraight
Connector TypeNo
Detachable CableYes
Driver SizeNo
Driver TypeDynamic
Connectivity TechnologyWired
Earcup DesignOpen Back
Frequency Response9Hz - 41.5kHz
Headphones Form FactorOver Ear
Headphones TechnologyDynamic
Impedance150Ω
Number of DriversSingle Driver
Sensitivity108dB
Sound Isolation (dB)No
Sound Output ModeStereo
Smartphone CompatibilityNo
Smartphone ControlsNo
Total Harmonic Distortion (THD)<0.04%
Wireless TechnologyNo

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