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Sennheiser HD 660S3 (2026 Reference Edition)

Sennheiser HD 660S3 (2026 Reference Edition)
A rising star in the audiophile community, this June 2026 release is highly sought after in HK for its improved soundstage; US retailers offer better early-bird bundles.
Where to Buy Sennheiser US B&H Photo Video Crutchfield
Approx. Price US $599.0 Approx. Weight 1.1 KG

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