Wildcatsare1
Headphoneus Supremus
Another top tip - thanks!
I had this issue where quite often I could not send signal out through to my DAC. My iMac knew the DAC was there, but it just would not work. For the longest I thought it was Audirvana crapping out - but I read this post someplace that recommended trying the Wyrd....... It fixed it!!!! Sounds great and now it all works every time. Completely solid now.
In hindsight, a powered USB hub might work too, but hey, they Wyrd works great for me now, so I'm sold.
iMac w/Audirvana 1.5.12 >Wyrd>Bifrost>Lyr>Hifiman HE-500's
For me, I believe I hear a sonic improvement, but I also changed out USB cables too at the same time, so I can't say exactly how much the Wyrd has to do with it. Quieter/darker backgrounds and a better sense of space, clarity and air between voices and instruments. Tighter bass. Perhaps a wider, or at least different soundstage from before. Perhaps a slightly more creamy top end? - Nothing life changing, just a bit here and a bit there.......Then again it could just be this porter I'm drinking tonight.
Similar findings first with this setup, Wyrd>Modi>Lyr 2>HE560/Alpha Dogs, similar results changing out the Modi with a Bifrost, quieter, which contributed to improved tonality, imaging,soundstage, a bit deeper bass, and smoother top end. More pronounced with the Modi, but clearly there with the Bifrost in the chain.