SomeTechNoob
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FWIW I have played around with blocking off the power pins from the data USB cable and running the second power input from a separate power supply. My computer's USB ports are quite noisy and this was reflected in the variable output I have which connects to speakers. It surprisingly helped a bit, although there's a slightly different(albeit quieter) noise now if I crank it up. But yeah, there's no power difference.
Hope this was somewhat informative!
edit: not blocking the power pins on the data cable resulted in the same noise FYI, which is why I cut a piece of paper to block off the two outer pins on the usb A side.
Hope this was somewhat informative!
edit: not blocking the power pins on the data cable resulted in the same noise FYI, which is why I cut a piece of paper to block off the two outer pins on the usb A side.
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