Liquid 4Pre's optional eight-channel EtherSound card is an essential for studios and live engineers working with an EtherSound hub. It ensures LIQUID4PRE can be seamlessly integrated into an EtherSound environment. The patented EtherSound protocol takes advantage of established technologies to easily and economically create real-time audio networks using standard Ethernet cabling and components. EtherSound technology adds networking and remote control capabilities to LIQUID4PRE, and combined with an Ethernet hub, multiple unit setups are simple.