Amazon.com: [Upgrade] 1Mii USB Sound Card USB to 3.5mm Jack Audio Adapter - Virtual 7.1 Surround Sound - USB Adapter for PS4/PC/MAC/Stereo Headsets, External Sound Card No Drivers Needed Plug and Play :
1Mii S03 USB 7.1 Surround Sound Card Audio Adapter for 3.5mm Gaming Headsets, 1 Piece - Pick 'n Save
USB Sound Card 7.1 Stereo Sound External USB Sound Card USB-drive External Surround Sound Adapter for Game Console Computer - Walmart.com
Amazon.com: HyperX Amp USB Sound Card - Virtual 7.1 Surround Sound - Works with PC/PS4 - Plug and Play Audio Upgrade for Stereo Headsets (HX-USCCAMSS-BK) : Electronics
VOID Surround Hybrid Stereo Gaming Headset with Dolby 7.1 USB Adapter
USB 2.0 External Virtual 7.1 Surround Sound Adapter - SD-CM-UAUD71
USB-A to 3.5 mm Audio Adapter w/ Volume Controls (152341)
DYNAMODE Virtual 7.1 Surround Sound USB 2.0 Adapter, Black (USB-SOUND7) | eBay