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Noisy Mic Input on Asus Xonar U7 Mk II USB Sound Card

Charkley
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Hi. My Xonar U7 sounds perfectly clean when just using the line out for headphones, but when I use the mic input, it's extremely noisy. I've tried using an iFi Defender 3.0 because I thought it was a USB ground loop issue, but the noise still persists. For some strange reason, however, whenever I touch the RCA ports at the back (pictured below) the noise goes away very significantly. I guess I act as a "ground" or whatever when I do that.

 

Would love to hear any suggestions! Thanks!

 

photo_2018-01-18_11-41-54.thumb.jpg.94782cc421dfb6d698cf1f90f1de3c6e.jpg

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  • 6 years later...
Posted

I have the same exact problem... did u find any solution ?

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