Enjoy audiophile sound quality, whether at home or on the move New reference for closed back headphones Closed, circumaural dynamic stereo, headphones Natural hearing experience - realistic sound field with minimal resonance Glass covered ear cups make the transducer visible, this special design innovation reflects the sound from the transducer to an absorber to minimize distortion Country of Origin: Germany Enjoy audiophile sound quality, whether at home or on the move;New reference for closed back headphones