StarTech.com USB Stereo Audio Adaptor External Sound Card with SPDIF Digital Audio - ICUSBAUDIO2D | CCL
Creative Digital Sound Card 192KHz SPDIF Daughter Card High Performance DAC DTS | eBay
Product | StarTech.com 7.1 USB Sound Card - External Sound Card for Laptop with SPDIF Digital Audio - Sound Card for PC - Silver (ICUSBAUDIO7D) - sound card
USB Sound Card Audio Adapter w/ SPDIF - USB Audio Adapters | StarTech.com United Kingdom
USB Audio External Sound Card, 6 Channel USB 5.1 Sound Card Recording External Sound Card Digital Optical SPDIF Audio Output Adapter, for PC/Laptop : Amazon.co.uk: Computers & Accessories
DollaTek HIFI DiGi+ Digital Sound Card I2S SPDIF Optical Fiber RCA for Raspberry Pi 3 2 model B B+: Amazon.co.uk: Computers & Accessories
USB Sound Card Audio Adapter w/ SPDIF - USB Audio Adapters | StarTech.com United Kingdom
SEDNA - SE-PCIE-SC-10 PCIe 7.1 Channel Sound Card (CM8828 + CM9882A) with SPDIF Bracket (Standard and Low Profile Brackets are Included) : Amazon.ca: Electronics