
I hear a buzzing noise when I plug in my A40 mixer amp! I have a Loop Noise Isolator but it doesn't even work with it. This makes it an even louder buzz that doesn't make any sense. I would like a new one if possible. The extra cable is excellent quality but mine may have been defective. I also tried this on my phone to see if it was the aux and to my surprise it buzzed again.

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