Sennheiser HD 579 Over the Ear Headphones Gray, NOB ————- Meet the Sennheiser HD 579 The best in class, remastered. The new HD 500 Series pushes performance to the next level. New to the product line is the HD 579, a headphone for those seeking premium performance and value. Powered by Sennheiser proprietary transducer technology and featuring the “Ergonomic Acoustic Refinement” (E.A.R) design, the HD 579 approaches the world of audiophile sound reproduction. This open back, around ear headphone delivers a natural tonal balance with outstandi