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- Mar 27, 2012
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Dear Friends of HiFiMAN:
Since being introduced earlier this year, our HE-400 headphone has been very successful and one of the most exciting high-performance models in the category. HE-400 is known for its powerful bass, smooth frequency response and lifelike detail.
Like any good company, HiFiMAN makes upgrades to its products whenever we think we can improve its performance or quality. So about four weeks ago, we upgraded the support for the driver magnet. That unintentionally created an audible peak or brightness and within the past two weeks, HE-400 customers started to report this problem because they knew this was not consistent with any HifiMAN headphone, especially HE-400.
Investigating this feedback, I discovered that the change did help improve the structural integrity but it unfortunately created this peak. In the military, they call this "friendly fire", at HiFiMAN I call it totally unacceptable.
We have corrected this problem at the manufacturing level so all HE-400s now shipped will be with the sound that everyone has been raving about for several months. We have also identified which models were affected by this "upgrade" and want to replace them at our expense as soon as possible. If you purchased a HE-400 in the past 30 days, simply email customerservice@head-direct.com and in the subject line, reference "HE-400 Fang".
HiFiMAN has built its reputation on quality, great sound and standing behind our products. I apologize for any inconvenience this may have caused to our valued HifiMAN owners. We will do whatever it takes to make it right.
With Best Regards,
Fang Bian
Founder and President
HiFiMAN
Since being introduced earlier this year, our HE-400 headphone has been very successful and one of the most exciting high-performance models in the category. HE-400 is known for its powerful bass, smooth frequency response and lifelike detail.
Like any good company, HiFiMAN makes upgrades to its products whenever we think we can improve its performance or quality. So about four weeks ago, we upgraded the support for the driver magnet. That unintentionally created an audible peak or brightness and within the past two weeks, HE-400 customers started to report this problem because they knew this was not consistent with any HifiMAN headphone, especially HE-400.
Investigating this feedback, I discovered that the change did help improve the structural integrity but it unfortunately created this peak. In the military, they call this "friendly fire", at HiFiMAN I call it totally unacceptable.
We have corrected this problem at the manufacturing level so all HE-400s now shipped will be with the sound that everyone has been raving about for several months. We have also identified which models were affected by this "upgrade" and want to replace them at our expense as soon as possible. If you purchased a HE-400 in the past 30 days, simply email customerservice@head-direct.com and in the subject line, reference "HE-400 Fang".
HiFiMAN has built its reputation on quality, great sound and standing behind our products. I apologize for any inconvenience this may have caused to our valued HifiMAN owners. We will do whatever it takes to make it right.
With Best Regards,
Fang Bian
Founder and President
HiFiMAN