RAOx 7.1 Surround Sound Fiber Optical Digital Toslink Audio Cable Speaker TV Cord - Walmart.com
USB Sound Card Audio Adapter w/ SPDIF - USB Audio Adapters | Add-on Cards & Peripherals | StarTech.com
Amazon.com: Amazon Basics Toslink Digital Optical Audio Cable, Multi-Channel, for Audio System, Sound Bar, Home Theatre, Gold-Plated Connectors, 6 Foot, Black : Electronics
Sound Blaster X5 - Hi-res External Dual DAC USB Sound Card with Fully Balanced Xamp Headphone Bi-amplifier for Audiophiles - Creative Labs (United States)
StarTech.com 7.1 USB Audio Adapter External Sound Card w SPDIF (ICUSBAUDIO7D)
SoundWire - Sonnect
USB-AC | External USB Stereo Sound Card Adapter for PC & Mac | Movo