dts 5.1 Audio Decoder converter PC USB Soundcard RCA SPDIF Coxial Optical Bluetooth 5.0 receiver Volume USB music player ac3 DAC| | - AliExpress
USB to Audio Adapter 5.1 Channel - IEC
dts 5.1 Audio Decoder converter PC USB Soundcard RCA SPDIF Coxial Optical Bluetooth 5.0 receiver Volume USB music player ac3 DAC| | - AliExpress
USB Multi-Channel Sound Converter With 5.1 Channel Surround
Amazon.com: VAlinks USB 2.0 External Sound Card 6 Channel 5.1 Surround Optical S/PDIF Audio Sound Card Adapter for PC Laptop Recording Compatible with Windows 10/8 / 7/ XP : Electronics
Optical External 6 Channel 5.1 Audio Output Adapter Sound Card USB SPDIF for PC | eBay