The PS Audio unit is fine, but not worth it as you can buy a used Topaz for a LOT less.
Either is the real way to deal with noise on the AC line - not a magic cable. Assuming that your equipment itself cannot deal with noise on the AC line... and that you don't have other sources of noise that are real cause of your problems...
Either is the real way to deal with noise on the AC line - not a magic cable. Assuming that your equipment itself cannot deal with noise on the AC line... and that you don't have other sources of noise that are real cause of your problems...