Sound Blaster X4 - Hi-res 7.1 External USB DAC and Amp Sound Card with Super X-Fi® and SmartComms Kit for PC and Mac - Creative Labs (Pan Euro)
Deltaco USB Soundcard 7.1 2x 3,5mm - us.MaxGaming.com
StarTech 7.1 USB Audio Adapter External Sound Card ICUSBAUDIO7D
Sound Blaster X3 - Hi-Res 7.1 Discrete External USB DAC and Amp Sound Card with Super X-Fi for PC and Mac - Creative Labs (United States)
Sound Blaster Internal and External USB DAC and Amp Sound Cards and Buying Guide - Creative Labs (United States)
USB Sound Card, Virtual 7.1-Channel USB External Audio Stereo Sound Adapter Converter with Volume Control, 3.5mm Audio Mic Jack Fits for PC Laptop Desktop Windows, Mac, Plug & Play, No Drivers Needed -
Amazon.com: Creative Sound BlasterX G1 7.1 Portable HD Gaming USB DAC and Sound Card (70SB171000000) : Electronics
1pc External Mini Usb 2.0 3d Virtual 480mbps 7.1 Channel Audio Sound Card Adapter For Pc Desktop Notebook - Sound Cards - AliExpress
Creative Sound Blaster X3 Super X-fi Hi-res 7.1 USB DAC 32bit / 192khz for sale online | eBay
Logilink USB 7.1 UA0099 Sound Card Black | Techinn