Amazon.com: Analog to Digital Audio Converter, R/L RCA 3.5mm AUX to Digital Coaxial Toslink Optical Audio Adapter with Optical Cable, Coaxial Cable : Industrial & Scientific
StarTech.com Stereo Audio Cable - 3.5mm Female to 2x RCA Male - MUFMRCA - Audio & Video Cables - CDW.com
Coaxial vs. Optical Digital Audio Cables
Monoprice Digital Coax & Optical Toslink To R/l Stereo Audio Converter : Target
Toslink and Digital Coax Audio Input to 8 Output Splitter / Switch - PI Manufacturing