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Sennheiser HD 660S2 Wired Headphones

Image: Sennheiser
Image: Sennheiser

Whisper, “Sennheiser HD 600,” in the ear of an audiophile, and you’ll see the goosebumps immediately appear on their arms. The headphones have been a source of impressive sound quality for over 25 years without wiping out budgets, but the Sennheiser HD 660S2 is the latest addition to the lineup, with improved low-end performance and build materials. They’re not wireless, but with an open-back design and high-quality source material, these $600 wired cans will sound considerably better than Sony and Apple’s best wireless offerings.