Update: The Behringer HD400 does the job, no more noise!
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I’m using a Radial ProD2 Stereo DIBox for BlackBox and it’s still giving ground loop issues
- BlackBox audio out
- Into Di
- Out Di into BlueBox
Still has ground loop.
But that’s only because I believe that using USB to power both on the same USB Hub is causing this.
I’ve tested to then use each their own wall wart and this has considerably reduced but not entirely the ground loop noise.
Guess I’ll be getting a Behringer HD400 and some breakout cables 3.5mm to 1/4”