Black USB External Sound Card Converter USB to Jack 3.5mm Headphone Audio Adapter Mic Sound Card for PC Laptop Audio adapter

5.1 Rush Digital Sound Decoder DTS / AC3 Dolby SPDIF Input to channel Digital Audio Converter with Optical SPDIF Coaxial Dolby AC3 DTS stereo(R/L) to 5.1CH Analog Audio (6RCA Output)