Z9 ? did they get something wrong?

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Unveiling of new high-resolution audio pruducts. countdown 5 days 14 hrs ?  

And there are some confirmed info in the threads if you read it.

Confirmed:   mdr-z7:     Successor to the mdr-z1000.   mdr-z7 & z5:     Made in Japan.   Reference:   http://www.loxpo.com/thread-496-1-1.html   http://bbs.erji.com/read.php?tid=1699932

Why?

  Confirmed:   mdr-z7:     Dual transducer.     A 50mm transducer.     A 70mm ring-shaped transducer to be dedicated to generate sturdy bass.     Special-material-plated liquid-crystal-polymer membrane.     Balanced driving for griping the bass.     Metal chamber.     Cost 4000rmb at...

My translation of these words:   http://www.turboimagehost.com/p/19604255/sony_mdr-z7_img2_cr.jpg.html   We further explore the nature of the sound Challenge ego, restore the spaciousness of the sound Feel the air   Free ears from the narrow cavity of headphone Cohere the micro sound...

My guess to Sony mdr-z7: A coaxial driver with two transducer, A 50mm transducer with a carbon-plated liquid-crystal polymer membrane, A 70mm ring-shaped bass transducer with a liquid-crystal polymer membrane. Dual balanced driving. Unknown material in unknown back...