The HD 515 is fitted with Sennheiser ’s innovative E.A.R.technology, plus special Duofol diaphragms that reduce unwanted resonances to an absolute minimum. Overall listening pleasure is combined with outstanding comfort.  

Features:

·  Open-Aire ™,circumaural,dynamic,stereo headphones 

·  Ergonomic Acoustic Refinement (E.A.R.)enables ideal sound 

·  channelling for a new kind of listening experience 

·  State of the art,advanced Duofol diaphragms 

·  Highly optimized,field-strengthened neodymium ferrous 

·  magnet systems 

·  Outstanding comfort for long listening sessions 

·  Longevity through exchangeable components 

·  Lightweight aluminium voice coils for high efficiency 

·  and excellent dynamics