Sennheiser HD 800 S Over-the-Ear Audiophile Reference Headphones - Ring Radiator Drivers With Open-Back Earcups, Includes Balanced Cable, 2-Year Warranty (Black)

Open back, around ear, reference class dynamic headphone 56mm ring radiator transducers are the largest drivers ever used in dynamic headphones Innovative absorber technology reduces unwanted frequency response peaks allowing all the music nuances to become audible Unique ear cup design directs sound waves to the ear at a slight angle to create an impressively natural and spatial listening experience Includes two connecting cables: single ended 1/4 inches And balanced 4. 4 mm Pentacon cable Connectivity technology: Wired