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<< Solved >> Continuous Crackling Noise in Speakers via USB Audio Interface

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So doing the 2 prong method is technically the best at an audio standpoint, but it's also somewhat unsafe. That being said I don't really care. Ive been doing it with guitar amps forever and I don't plan on not doing it for my DAC any time soon.

Option 1 is essentially the same thing and disconnecting the ground from the audio signal. Your audio signal ground is now exclusively through the wall. It might work, it might not, but you can achieve this but just modifying your cable.

Option 2 is says its a Passive GLI. It uses an isolation transformer to break the signal ground. This would be the proper way to do this, but passive GLIs can roll off frequencies depending one the quality or the transformer. This may or may not be acceptable to your ears.

I plugged my line conditioner into the three to two prong adapter and the white noise along with the other associated unwanted sounds went away.
 
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