Sennheiser HD 660S2

These audiophile headphones have a smooth, refined delivery

£399 There aren’t many headphones with as much heritage and history as the Sennheiser HD 600. The fact that you can still waltz onto the Sennheiser website and buy a pair, despite the model being well over 20 years old, just goes to show they are still a respected icon and part of the headphone market furniture. Over the years, a number of new versions have launched, including the HD 650 and HD 660, not to mention the very latest version we are testing here; the Sennheiser HD 660S2. Optimised airflow The Sennheiser HD 660S2’s price puts them in the premium wired headphones category. Their most natural rival would be the Beyerdynamic Amiron (£395), although at this level prices are quite spread out and you can buy excellent options if…

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What Hi-Fi? (Digital) - 1 Issue, March 2025

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