HD 820 Open BoxThe HD 820 delivers an unparalleled, reference grade audiophile listening experience in a closed headphone Innovative glass reflectors and frequency absorber systems replicate the wide open characteristics of audiophile speakers in a sealed earcup design 56mm Ring Radiator transducers and Glass Reflectors provide total immersion in your music with absolute detail and a breathtaking soundstage Made in Germany using the finest materials for sound

► Object - based codec support : Dolby Atmos

State-of-the-art technology: For a particularly natural and realistic sound experience

For watching videos and especially for playing games

unique to the IE 900

The 80th Anniversary limited edition headphone fuses our obsession with audio precision with a powerful visual statement

Apple AirPlay 2

and allows for easy firmware updates

each one impedance-matched with ultra-low capacitance

Sennheiser HD 550

Up to 60m range: Digital wireless transmission ensures no analog static for listening freedom around the home

With simple plug -and-play setup

Seamless connection with your computer or VoIP system