When speaking of the X5 specifically, the EQ only works or is active only with files that are a resolution of 16/44.1 or lower. The EQ is inactive and not usable for files of a resolution above 16/44.1, this is what I was referring to. By hi-rez I was referring to any file with a resolution above 16/44.1.
EQ can be used for files 24bit/48kHz and lower. The limitation is for sample rates over 48kHz and not bit depth.
If that's the case then my mistake, but my hi- rez files are 24/96, 24/192 and DSD so the EQ is not usable for those files and that was the point I was trying to make.
I also found that even the files I have that the EQ works with I feel the X5 and my headphones sound better with the EQ off.
Edited by good sound - 8/31/14 at 7:09pm