M2Tech HiFace EVO USB-SPDIF converter | HFA - The Independent Source for Audio Equipment Reviews
Matrix X-SPDIF 3 USB Digital Audio Interface IIS-LVDS/Coaxial/Optical/AES/EUB 768kHz/32Bit DSD512 — HiFiGo
USB-SPDIF Interface – [180027] | Elektor Magazine
ESI Audiotechnik U24XL USB audio interface - The Midi Store
StarTech.com USB Stereo Audio Adapter External Sound Card w/ SPDIF Digital - ICUSBAUDIO2D - Amplifiers & Voice Recorders - CDW.com
PHIREE U2SX USB to SPDIF Interface SA9023 24bit 96kHz Silver - Audiophonics
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