Sennheiser HD 660s Audiophile Headphones (Open box) - Discontinued sports-headphones Our new 50mm dynamic driver

Our new 50mm dynamic driver

the structure of Blessing 2 is simply effective and reasonable: Proprietory dual mid driver handle the midrange

With its extraordinary physical characteristics

providing maximum rejection and minimum coloration of off-axis sounds

Remix performances with Stems FX in Serato DJ Pro

Sennheiser HD 660s Audiophile Headphones (Open box) - Discontinued sports-headphones Our new 50mm dynamic driverHD 660S The perfect blend of power and control. The powerhouse open back headphone Connects you to the deepest corners of your music collection. Hi fidelity sound Open back design 42mm transducers Luxurious comfort Detachable cable A Direct Connection To Your Music Known for their engaging signatures and liquid smooth response, HD 660S predecessors HD 650 and HD 600 shattered performance barriers in the audiophile headphone category. The HD 660S