In this video I show that the ifi iDefender 3.0 is really working.
The white USB cable connects to my Yamaha AG06 mixer, which is USB powered.
It creates constant hizz while connected.

Then I connect the ifi iDefender 3.0 and the hizz gets even louder!

In a third step I attach a cable to supply external power and -- silence!

The ifi iDefender is a good product and solves the hizz/ground loop noise issue!

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