Creative Labs Sound Blaster Omni Surround 5.1 USB Sound Card with 600 Ohm Headphone Amp - Walmart.com
Amazon.com: StarTech.com USB Sound Card w/ SPDIF Digital Audio & Stereo Mic – External Sound Card for Laptop or PC – SPDIF Output (ICUSBAUDIO2D),Black 0.6" x 1.8" : Electronics
Sound Blaster AE-9 - Ultimate PCI-E Sound Card and DAC with Xamp Discrete Headphone Amplification and Audio Control Module - Creative Labs (United States)