Multi Outlet Surge Protector Power Cleaning and Linear Filtration eliminates common symptoms of contaminated power including loss of detail. pops. hisses. hums and visual artifacts and allows your A V equipment to perform up to its full capability.senses sustained voltages that are high enough to cause damage to your components and shuts the power down before damage can occur.is designed to provide noise isolation between 3 isolated outlet banks so that any noise created by an A V component can not contaminate the power going to equipment plugged into another outlet bank