I am amazed, four pages and nobody has joined the forum just to say that either 1) it works, it just doesn't show up in tests but is plainly audible, 2) Amir doesn't know how to measure, or 3) Amir doesn't know what to measure.
I have an older Monster power conditioner, switcher, with a voltage and current display. They used to sell the discontinued ones at major discounts. I never heard any difference from it, but it does what I bought it for, switching on and off my amp that has no power switch.