Panamax M8-AV-PRO Home Theater Power Management (Black) Premium Filtration Coax/Sat Protection Telephone/LAN Line Protection AVM (Automatic Voltage Monitoring) Surge Protection Protects equipment against prolonged over/under voltages by disconnecting the power and reconnecting it when safe power returns Power Cleaning and Filtration eliminate loss of detail, pops, hisses, hums, visual artifacts and other common symptoms of contaminated power Protect/disconnect circuitry completely disconnects AC power to connected equipment in the event of a catastrophic surge such as lightning Protects equipment from electrical surges that travel over telephone, cable, satellite, and antenna lines 12-volt trigger allows source equipment to activate or deactivate four of eight outlets