Sennheiser HD 660S2 review: I'm an open-back believer

When you want to really explore the detail and depth of your favorite tracks, the Sennheiser HD 660S2 are the perfect tool for the job.

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Sennheiser HD 660S2 review: I'm an open-back believer

Open-back Sennheiser HD 660S2 headphones boast wider soundstage and crisper low frequency response - Yanko Design

Sennheiser HD 660S2 Review: A New Reference For Headphone Fans - HIFI Trends

Just got the 660s2 today : r/headphones

Sennheiser HD 660S2 Open-back Headphones

CH 800 S Audiophile high-end cable for HD 800, HD 800 S and HD 820 headphones with XLR 4 connectors, optimally matched to HDV 820, HDVD 800 and HDVA 600 headphone amplifiers Features The balanced connection cable for HD 800, HD 800 S and HD 820 headphones. High-quality materials such as oxygen-free copper and gold-plated contacts ensure the highest sound quality. Silver coating of the strains minimizes resistance for sound transmission. Developed and designed in Germany.

Sennheiser HD 800 S Headphone

Sennheiser HD 660S2 Review: A New Reference For Headphone Fans - HIFI Trends