C&E Digital Optical Coax to Analog R/L audio converter Digital Optical Coaxial (S/PDIF) to Analog Stereo Converter. Coaxial IN and Optical IN. Stereo RCA (Red/White) OUT. Audio Video Devices. Audio Converter. Digital Optical Coaxial (S/PDIF) to Analog Stereo Converter. Coaxial IN and Optical IN. Stereo RCA (Red/White) OUT. Audio Video Devices. Audio Converter. 24-bit S/PDIF incoming bit stream on left and right channels Provides electromagnetic-noise-free transmission.