Is there any audio driver that supports 5.2 speaker configuration? Almost all sound cards I encountered seem to have only 5.1 or 7.1 supporte drivers. - Quora
Creative SoundBlaster Live X Gamer PCI Digital Output Sound Card, Rene – AMT | Computers & Electronics
Connect PC Speaker from motherboard to sound card for better sound in old DOS games - YouTube
USB Sound Card Audio Adapter w/ SPDIF - USB Audio Adapters | Add-on Cards & Peripherals | StarTech.com
7.1 USB External Sound Card Audio Adapter LEIHONG USB2.0 to 3.5MM Audio Output Microphone Input Converter Plug and Play for Windows/Vista/Win7/Linux/WinCE/Android/Mac-White - Walmart.com
How to connect Soundcard to Subwoofer - Audio - Linus Tech Tips
P11-Sound Card
USB Multi-Channel Sound Converter With 5.1 Channel Surround