• Now, as many readers are likely very well aware, Sennheiser has come out with a second generation of their HD 660S open-back headphones: the HD660S2.
  • Subjectively, before peeking in the measurements the HD 660S felt familiar, yet it seemed brighter than the HD 600 / HD 650 old guard.
  • Sennheiser just released an improved and retuned version of the HD 660S, the HD 660S2. It's even-handed enough to be used as a reference headphone.
  • The HD 660 S Open-Back Dynamic Headphones from Sennheiser are headphones for the passionate audiophile and are crafted for the most demanding listener.
  • Alongside an engaging bass definition, the Sennheiser HD 660S2 headphones also boast an extremely bright treble response that allows audio enthusiasts to...
  • Their bass- and mid-range responses are nearly identical, but the HD 600 have a brighter and more present treble, while the HD 660 S are rather dull.
  • What is the difference between Sennheiser HD 600 and Sennheiser HD 660 S? Find out which is better and their overall performance in the headphones ranking.
  • HD660S maintains the core identity of the HD600 series, providing the natural delivery, strong detail, clarity, and spacious sound Sennheiser’s headphones are...
  • One of these newer headphones is Sennheiser’s very own sequel to the HD650, the new Sennheiser HD660S.
  • I'd love to see a new good Sennheiser in this price range on the market. ... · 5 yr. ago. FLAC -> JDS Labs Element -> Sennheiser HD 650.