The housing is made of super-rigid aluminum alloy to snsure the high quality sound form low to high frequency.
http://www.audio-technica.com.hk/index.php?op=productdetails&pid=998&cid=&sid=&modelId=ATH-EM7x&lang=eng
- Strong magnetic 28mm driver produces clear sound
- The ear hangers feature a soft-touch rubber support that gives you comfort even after hours of use
- The hangers feature a slide-fit mechanism, so they stay secure and comfortable on your ears
- The 1.2m U-type cord can be hold around your back of neck