The SEA 1 Subwoofer EtherCon Adapter from Neumann allows you to connect up to 3 subwoofers to a single remote control. It can be used with the SRC 1, SRC 2, or any other source of RS-232 data. For systems larger than 3 subwoofers, additional adapters are required. The SEA 1 has a compact and durable housing made from ABS plastic and aluminum. It has 4 Neutrik EtherCon RJ45 connectors for connecting to your system.