Gungnir Balanced USB Digital Analog Convertor Input Capability: Up to 24/192 for all inputs Inputs: Coaxial RCA SPDIF, BNC SPDIF, Optical SPDIF, USB Output: One pair XLR balanced and two pairs RCA single-ended Input Receiver, SPDIF: Crystal Semiconductor CS8416 Analog Stages: All fully discrete, JFET-input topology, DC coupled, summed for single-ended output