About HE-400 issues, we have found out the reason of the problem. It is a design flaw, not a QC problem. We have made a significant prograss on fixing the problem. We are doing a comprehensive test of 2nd batch drivers. We will finish the test in about 2 weeks. Hopefully we will try to ship all orders before the end of Feb, 2012. We are doing a comprehensive test of 2nd batch drivers. We will finish the test in about 2 weeks. Hopefully we will try to ship all orders before the end of Feb, 2012.
Update Link:
http://www.head-direct.com/Products/?act=detail&id=131
This upgrade program is only for those customers who perticipated HE-400 headphones preorder program and got defective HE-400 in the first batch. Upgrading cost is $150.
It will take about 2 to 3 weeks to ship the HE500 headphones because we don't have them in stock currently.
After you finished your payment, please forward two order emails you received from us (HE-400 original order and upgrade to HE-500 order) to customerservice@head-direct.com and request HE-500 upgrading. We will email you about the address you need to ship your defect HE-400 back.
Reference
http://www.soundandvisionmag.com/blog/2012/02/08/review-hifiman-he-400-and-he-500-headphones
Update Link:
http://www.head-direct.com/Products/?act=detail&id=131
This upgrade program is only for those customers who perticipated HE-400 headphones preorder program and got defective HE-400 in the first batch. Upgrading cost is $150.
It will take about 2 to 3 weeks to ship the HE500 headphones because we don't have them in stock currently.
After you finished your payment, please forward two order emails you received from us (HE-400 original order and upgrade to HE-500 order) to customerservice@head-direct.com and request HE-500 upgrading. We will email you about the address you need to ship your defect HE-400 back.
Reference
http://www.soundandvisionmag.com/blog/2012/02/08/review-hifiman-he-400-and-he-500-headphones
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