Belkin PureAV PF30 Home Theater Power Console (Discontinued by Manufacturer) Protects sensitive electronic equipment from power disturbances Offers Multi-Phase PureFilterTM Circuitry to provide the highest level of AC line-noise filtering and clean and clear power Removes electromagnetic and radio frequency interference from household appliances, fluorescent lights,& digital components Eliminates popping, hissing, static, and snow Disconnects power with Advanced Overvoltage Protection when input voltage reaches a dangerous level