Try contacting teamhifiman here on HeadFi. Other HE-400i owners have had similar problems, and TeamHiFiMan replaced them no questions asked.  

This is the song I am currently enjoying the hell out of. Atlas by Caligula's Horse. Great prog metal.  

I have sent UM 4 (first being sent October 15th) emails asking them if they have received my Mage's and impressions for a reshelling and I have yet to get a response. USPS says my order shipped to them, but I haven't heard neither high nor lo from UM. I am not very pleased thus far with my...

Any trve kvlt metal heads have an opinion on these? I am a really big metal head so I always worry when people use the term heavy metal if they are just referring to a specific sub genre they blanket classify as what all metal must sound like or if they know a bit about the specific sub genres...