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HiFiMAN Sundara vs Sennheiser HD 660s

    HiFiMAN Sundara Headphones
    HiFiMAN Sundara
      Sennheiser HD 660s Headphones
      Sennheiser HD 660s
      Available colors
      Editiorial reviews
      2
      2 editorial reviews
      The HiFiMan Sundara 2020 are open-back, planar magnetic headphones designed for neutral sound. They're the next generation of the HiFiMan Sundara 2018 and are ad...Read more
      Hifiman are driving the development of headphone technology at an impressive pace!Read more
      Read editorial reviews
      14
      4.6 out of 5
      4 user ratings
      5 stars
      		75 %
      4 stars
      		25 %
      3 stars
      		0 %
      2 stars
      		0 %
      1 stars
      		0 %
      Read editorial reviews
      User rating
      87
      3.8 out of 5
      87 user ratings
      5 stars
      		31 %
      4 stars
      		31 %
      3 stars
      		25 %
      2 stars
      		10 %
      1 stars
      		2 %
      62
      3.9 out of 5
      62 user ratings
      5 stars
      		37 %
      4 stars
      		29 %
      3 stars
      		25 %
      2 stars
      		6 %
      1 stars
      		1 %

      Full Comparison

      Units:

      Technical details

      HiFiMAN SundaraHiFiMAN Sundara
      Sennheiser HD 660sSennheiser HD 660s
      Sound outputStereoStereo
      StyleOver-EarOver-Ear
      Connectivity technologyWiredWired
      Headset (integrated/enclosed microphone)nono

      Design

      HiFiMAN SundaraHiFiMAN Sundara
      Sennheiser HD 660sSennheiser HD 660s
      Colour of productBlackBlack
      Acoustic designOpenOpen
      Attachment typeHeadbandHeadband

      Dimensions

      HiFiMAN SundaraHiFiMAN Sundara
      Sennheiser HD 660sSennheiser HD 660s
      Weight13.12 oz9.17 oz

      Sound

      HiFiMAN SundaraHiFiMAN Sundara
      Sennheiser HD 660sSennheiser HD 660s
      Impedance37.0 Ω150.0 Ω
      Sensitivity< 94< 104
      Frequency range6 - 7500010 - 41000
      Driver technology
      • Planar magnetic
      • Orthodynamic
      		Dynamic

      Connectivity

      HiFiMAN SundaraHiFiMAN Sundara
      Sennheiser HD 660sSennheiser HD 660s
      Cable length1.53
      Type of connector3.5mm
      • 3.5mm
      • 6.3mm

      Power

      HiFiMAN SundaraHiFiMAN Sundara
      Sennheiser HD 660sSennheiser HD 660s
      Battery operatednono

      Pros & Cons

      Pros
          Cons

              HiFiMAN Sundara vs Sennheiser HD 660s - User Opinions

              • billi_torphy
                over 1 year ago
                The HiFiMan Sundara 2020 are better for neutral sound than the Sennheiser HD 660 S. The HiFiMan have a more well-balanced sound profile, which some listeners may prefer. They also have a significantly better soundstage performance and more consistent audio delivery. They're also much more comfortable.
              • What's the difference between products? Share your opinion.

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