Centechia External USB Sound Card Adapter 7.1 Channel 3D Audio Headset Microphone 3.5mm Jack For PC Laptop Win XP/78 Linux

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)