Convert a Digital Optical Audio signal into a Digital Coaxial Audio signal using this S/PDIF (Toslink®) Digital Optical to Digital Coaxial (RCA) Audio Converter from Monoprice!The Sony®/Philips® Digital Interface Format allows for both an electrical signal, carried over Digital Coaxial Audio cable, and an optical signal carried over a Digital Optical Audio cable. This converter allows you to connect an optical output to a digital electrical signal. It measures only about 3' x 2' and includes a 6 VDC, 3A AC power adapter.TOSLINK® is a registered trademark of Toshiba Corporation. Sony® is a registered trademark of Sony Corporation. Philips® is a registered trademark of Koninklijke Philips Electronics N.V. Updated Feb 12, 2020  Warning: This product may contain a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.