Crafted for perfection the HD 800 S are precision-built in Germany from only the finest materials and components. The transducer is encased by stainless steel while the headband and headphone mounting utilises the most advanced materials developed in the aerospace industry for high strength with minimal weight. The new HD 800 S offers even better high precision connectivity options and is now supplied with two connection leads a 6.3mm connector and a 4.4mm balanced cable to offer even better quality sound from sources with balanced outputs such as the Sennheiser HDVD 800 headphones amplifier.