Panamax patented AVM circuitry provides the ultimate in power protection and filtering for your AV equipment. The M8-AV provides 8 protected outlets, 2 CATV/satellite connectors and a phone connector. It continuously monitors the incoming line voltage for surges and spikes that could damage your expensive AV system and disconnects your equipment in the event of an over voltage or under voltage (Brownout). power is automatically reconnected when voltage returns to a safe level. With over 30 years of innovation, millions of units Sold, multiple patents granted and numerous industry awards