Amazon.com: Signstek HiFi USB to Coaxial S/PDIF Converter Convert Digital to Analogue Signal Mini USB DAC PCM : Industrial & Scientific
Singxer F1 – Digital Interface Board w/Aluminum case! – SPDIF RCA XU208 chip – NEW and preassemble – FREESHIP with Coupon code “Singxer” | Kitsune HiFi - HoloAudio USA
When to use a USB to S/PDIF converter? | Darko.Audio
iFi releases the iLINK USB-to-SPDIF converter
M2TECH HiFace Two R USB Hi-End SPDIF Output Interface (RCA)
Matrix Audio X-SPDIF 2 USB Interface
USB-SPDIF Interface – [180027] | Elektor Magazine
Halide Design - Bridge USB to S/PDIF converter
USB Sound Card Audio Adapter w/ Mic - USB Audio Adapters | StarTech.com Mexico