Sennheiser Hd 820 Over-the-Ear Audiophile Reference Headphones - Ring Radiator Drivers with Glass Reflector Technology

With these groundbreaking closed dynamic headphones passionate music lovers can enjoy their music at an audiophile level at home or on the move. Featuring unique glass transducer covers that minimize resonances, the Hd 820 are simply the most transparent-sounding closed headphones in the world, extending the boundaries of what has been achieved in sound reproduction with closed type headphones.