HiFiMan RE-400, how long is the usual burn-in period?
May 8, 2015 at 9:25 PM Thread Starter Post #1 of 4

drambit

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Just received these IEMs in the mail, and I have to say that right off the bat they sound like ****, complete ****. Not just lacking bass, but no bass, extremely tinny, for some reason the sound sounds excessively distant / weak as if they aren't even in my ears, basically all the telltale signs of lack of burn-in. 
 
How long do these things usually take to start sounding decent?
 

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