HD 558 Quad-armature design 1 mm Bundled accessories Open

1 mm Bundled accessories Open earbuds

Instead of using ordinary dynamic drivers

WaxGuard™

Internal rechargeable battery provides 30 hours of continuous headphone use when fully charged

HD 558 Quad-armature design 1 mm Bundled accessories OpenWith their special internal Surround Reflector, the HD 558 open, circumaural headphones are able to generate an extended spatial sound field, making them ideal for listening to music and also for use in your preferred home cinema set up. They are fitted with Sennheisers innovative E. A. R. technology which ensures accurate channeling of audio signals into your ears, as well as sophisticated Duofol diaphragms which reduces unwanted resonances to an