More than 60 years of ingenious headphone engineering has been applied to the new HD 800. Incorporating Sennheiser's most advanced driver technology, these open, around-the-ear, dynamic stereo headphones redefine what reference-grade audio is all about. The HD 800 is hand-assembled in Germany with only the finest of materials. The transducer is encased in a precision material made of stainless steel, while the headband and headphone mounting utilizes the most advanced development from the aerospace industry.
Hmmm MRspeakers ETHER. In the same ballpark as the Sennheiser HD800 , but maybe more pleasurable to listen to.
If you actually read about them at all before heading off into space on your latest mission you'll notice one thing is they are closed back rather than open backed.
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