Level 2 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. Panamax's patent pending AVM circuitry continuously monitors the incoming power as displayed on the digital volt meter. The M4300-PM is designed to provide noise isolation between 2 isolated outlet banks including 4 high current outlets so that any noise created by an A/V component can not contaminate the power going to equipment plugged into another outlet bank.