- The most notable is the HD 600, but the HD 650 was also superb. This review looks at the new HD 660S, which is set to replace the HD 650 in the Sennheiser lineup.
- It’s an approach that doesn’t seem out of place with classic hi-fi, either, as that’s exactly what Sennheiser has done with its latest headphones, the HD 660 S.
- The build quality appears highly similar between the Sennheiser HD 660S and the older HD 600, as is the general design language and comfort level.
- Support those who support us! Advertising enquiries. Sennheiser HD660S. Demo units courtesy of
- The open-back Sennheiser HD 660S happens to be one of the few headphones at Moon Audio that had escaped my ears until recently.
- One of these newer headphones is Sennheiser’s very own sequel to the HD650, the new Sennheiser HD660S.
- Where to buy Sennheiser HD 660S. These headphones reproduce the complete audible range of frequency, from true low bass performance to well above 20 kHz.
- 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.
- At $600, the Sennheiser HD 660S2 are pricey if you’re comparing them to the high-tech wonder that is Sony’s $400 WH-1000XM5 .
- Buy Now: Sennheiser HD 660 S from Amazon UK. Tonally the Sennheiser HD 660 S feel much like what they are, a reworking of the HD 650.