Sennheiser HD 660S2

Suncoast Audio Direct Verified independent store

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Experience pristine audio clarity with these open-back audiophile headphones, engineered for discerning listeners who demand exceptional sound quality. The dynamic drivers deliver rich, detailed frequencies across the full spectrum. Dual connectivity options—6.3mm unbalanced and 4.4mm balanced cables—adapt to your audio setup, while the 300Ω impedance ensures compatibility with quality amplifiers and professional equipment. Show more