Amazon.co.jp: Spdif Audio Output Adapter, External Sound Card USB Audio Adapter for PC Analog Playback 6 Channel Sound Card : Computers
iFi releases the iLINK USB-to-SPDIF converter
Digital SPDIF Toslink Optical Audio Splitter 2 Way Optical Cable Splitter 1 Input 2 Output Micro Usb Cable Accessory | Lazada
Amazon.co.jp: Spdif Audio Output Adapter, External Sound Card USB Audio Adapter for PC Analog Playback 6 Channel Sound Card : Computers
USB-SPDIF Interface – [180027] | Elektor Magazine
USB to coaxial SPDIF optical AC3 DTS 5.1 7.1 converter adapter sound card CM108H | eBay
Douk Audio U2 Mini Usb Spdif Audio Converter | Digital Audio Interface Spdif - U2 - Aliexpress
USB-SPDIF Interface – [180027] | Elektor Magazine
ICUSBAUDIO2D - StarTech.com USB Sound Card w/ SPDIF Digital Audio & Stereo Mic - External Sound Card for Laptop or PC - SPDIF Output (ICUSBAUDIO2D) - sound card - Currys Business
USB Interface with coaxial or optical SPDIF output - SOS Forum