Radio Design Labs RDL HR-UDC1 AES/EBU S/PDIF Universal Digital Audio Converter
These converters are all tested and in working condition. The input and output support AES/EBU, S/PDIF and AES-3ID formats. The HR-UDC1 automatically detects a valid input on any of the four input jacks: S/PDIF optical, S/PDIF coaxial, AES-3ID or AES/EBU.