You are reading a single comment by @aggi and its replies.
Click here to read the full conversation.
-
There's lots of stuff like this around https://hifimediy.com/product/usb-isolator/ not sure whether they are proven or snake oil though.
Agreed, I don't want to remove safety earthing. The phono leads are new (and expensive) shielding should be excellent on them.
How does the laptop usb port lift the ground? Surely there's something cheap and similar which does the trick?