Wee DAC addons – XLR output and extra S/PDIF inputs - nihtila.com
MUSIC STORE Optical Toslink Cable 10 Metres | DV247
Amazon.com: 4 Port XLR Audio Over Fiber Converter | Extender Kit: 4 Channel Balanced Audio to Fiber Media Converter - Universal Single & Multimode - 0.5 km MM (0.31 mi) 20 km SM (11.4 mi), Transmitter & Receiver : Electronics
Glensound DARK8O 1u 19" 8 outputs on XLR with dual CAT5 and optical DANTE interface - Audio Cards & Interfaces - BroadcastStoreEurope.com