USB to AES Audio Adapter Converter Digital Interface 16/24/32bit 44.1k-192KHz | eBay
YELLOWTEC PUC2 LINE USB AUDIO INTERFACE Analogue line and AES/EBU
The Well-Tempered Computer
MINI Portable USB to AES Audio Signal Adapter Converter Cable For Computer PC | eBay
Douk Audio U2 PRO XMOS XU208 Digital Interface, USB to TOSLINK Coaxial/Optical/HDMI IIS Audio Adapter, for DAC/Preamp/Amplifier, Support PCM & DSD256: Amazon.com: Industrial & Scientific