Why does the aurender N100h sound so bright and edgy


Have ps audio direct  stream dac hooked to the aurender n100h , replacing my Mac mini ,the sound was bright and edgy with poor bottom end  , playing through my Franco serblin ktemas , and WYETECH Ruby momoblooks  must be a defective unit
pavpet
I didn't like the aurender line of server, the sound and some of the gimmicks they promoted, so I bought an auralic Aries and was glad I did. I have since sold that and went the directstream bridge II route and couldn't be happier.
I have not found any of the above to be true. 
If this were the case it would not have won at least 5 individual awards.
I have the 2 Terabyte hard drive  and  have my whole library on the internal drive.
I wanted to  mention  I have a good  Cardas power cord and a 
Audioquest Diamond digital cable which the 2 cables have a lot to do with  this.
It sounds like a faulty power supply you are experiencing or very bad mains 
If in the city .  


I'm going to go with ps audio bridge ll , I have transparent ref mm2 interconnects 
plus I have  dedicated ac, must be a flaw in the aurender,