Douk Audio U2 XMOS XU208 Digital Interface, USB to TOSLINK Coaxial/Optical Audio Adapter, for DAC/Preamp/Amplifier, Support PCM & DSD64 (Upgrade Version): Amazon.com: Industrial & Scientific
Lotoo PAW D1 USB Digital Audio Interface — HiFiGo
Digital Audio Directions: Yellowtec Puc 2 Lite USB/AES Bridge Review
Klark Teknik DN9630 AES50 to USB 2.0 Converter | Sweetwater
Two New AES Digital In/Out USB Audio Interfaces Come From StreamS | Radio & Television Business Report
YELLOWTEC PUC2 LITE USB AUDIO CONVERTER AES3 I/O
YELLOWTEC PUC2 USB AUDIO INTERFACE Analogue line and AES/EBU