Roland S-4000D Splitter – “REAC Embedded Power” is unique Roland technology that enables the transfer of not only the digital audio signal but also the power required by the connected device – all via one CAT5e cable.The Roland S-4000D Splitter and Power Distributor is equipped with 10 REAC ports including 8 ports of REAC Embedded Power. The S-4000D can automatically detect and distinguish a product not supporting REAC Embedded Power. In this case, power is not provided allowing the S-4000D to also function as a standard splitter when required.

Data Sheet – https://proav.roland.com/global/products/s-4000d/

Associated Products – https://sonalyst.co.uk/services/sound/monitoring-systems/