Sennheiser HD 820 Over Ear Closed Back Headphones (Open Box) iem cables Dimensions: 50mm (L) x 62mm

Dimensions: 50mm (L) x 62mm (W) x 22mm (H)

Frequency Response: 7 - 41

Battery Charge Time 5 hours

Weight:    315g

Not only air pressure balance but also great results in the suppression of unnecessary vibrations are manifested

Sennheiser HD 820 Over Ear Closed Back Headphones (Open Box) iem cables Dimensions: 50mm (L) x 62mmHD 820 The new audiophile standard The critics said closed headphones could never sound as immersive as their open air counterparts. They said physics would never allow it. To that we simply said, "listen". The HD 820 combines an innovative glass reflector and ring radiator transducer technology for a benchmark listening experience. Reference class open back audiophile headphones Closed back earcups 56mm ring radiator transducers German craftsmanship