MCHStreamer - USB Audio Swiss-Army knife - Multichannel PCM/DSD/PDM/ADAT/TDM/SPDIF interface
exaSound E68 Multichannel DAC – NativeDSD Gear
The Well-Tempered Computer
MiniDSP U-DIO8 EBU/SPDIF out
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Amazon.com: USB to Optical Spdif Toslink & 3.5mm Audio Adapter Converter, Support USB-A & USB-C Type-C Port, for PS5 PS4 NS Laptop Phone to Sound bar Speakers : Electronics
6 Channel 5.1 Optical SPDIF Sound Card USB Audio Output Adapter External for PC Sound Card Accessories - Newegg.com
Building A 'high-end' USB Audio DAC | Hackaday
Amazon.com: StarTech.com USB Sound Card w/ SPDIF Digital Audio & Stereo Mic – External Sound Card for Laptop or PC – SPDIF Output (ICUSBAUDIO2D),Black 0.6" x 1.8" : Electronics
C-MEDIA CM6206 5.1 USB Audio Sound Card Line-In & Line-Out Bass Extension Low Frequency Response Upgrade - TehnoBlog.org
USB Multi-Channel Sound Converter With 5.1 Channel Surround
miniDSP UDIO-8 - Multichannel USB to AES-EBU interface
XMOS Multichannel high-quality USB to/from I2S/DSD SPDIF PCB 3W
External Sound Card USB 5.1 SPDIF Input/Output Plug And Play Audio Mixer Device Adaptor for Computer Laptop for Windows for Mac OS - Walmart.com
Amazon.com: Cubilux Uni-Directional USB A SPDIF Input Adapter for PC, USB Optical Line-in Dongle, Toslink to USB Receiver, USB A SDPIF RX Interface Suitable for Laptop Computer【ONLY for Stereo Audio Signal】 :
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