Sennheiser HD 800S Open Back Flagship Audiophile HeadphonesThe Exploration of Sound The HD 800 S demonstrates over 75 years of audio expertise, redefining the critical listening experience. After launching its predecessorthe HD 800we accepted a self imposed challenge to completely disappear from the last link in the audio chain. Our goal was to provide acoustics so immersive that your awareness dissolves into the creators perspective. On their own, each component of the HD 800 S is world class. The signature