Hifiman 400s vs 400i?

[tox7o7]

Hello all!
 
As anyone compared directly?
 
Can you describe the diferences? Technical and sound quality wyse?
 
Thank you for your help
 
António

 

[smy1]

From this thread http://www.head-fi.org/t/766529/new-2015-hifiman-he400s/1815#post_12086112

It seems the 400s has more mid bass creating slower and smoother bass in general. 400s is smoother in general vs 400i. The 400i has more detail then 400s, likewise as clarity darker lusher sound signature In the 400s come out on vocal as well. The 400i offers more quaility treble