Sennheiser HD 820 Specifications

Country of Origin: Germany.
New reference for closed back headphones.
56mm Ring Radiator dynamic transducer system.
Closed, circumaural dynamic stereo, headphones.
The new audiophile standard for closed-back headphones.
Enjoy audiophile sound quality, whether at home or on the move.
Natural hearing experience - realistic sound field with minimal resonance.
Ultra-ergonomic adjustable metal headband with inner damping element.
Acoustic absorber system prevents frequency masking for unheralded detail.
Concave Gorilla Glass reflectors deliver impressive spatial sound reproduction.
Luxuriously comfortable microfiber ear and headband padding on key contact points.
Developed in Germany and precision-built at Sennheiser’s state-of-the-art Ireland plant
Glass covered ear cups make the transducer visible, this special design innovation reflects the sound from the transducer to an absorber to minimize distortion.