Sound BlasterX G5 - 7.1 HD Audio Portable Sound Card with Headphone Amplifier - Creative Labs (United States)
Beyerdynamic DT 990 Pro 250 ohm Over-Ear Studio Open Headphones For Mixing, Mastering, and Editing - Newegg.com
Amazon.com: beyerdynamic DT 990 Pro 80 ohm (Grey) Over-Ear Studio Headphones for Mixing, Mastering, and Editing (with Extra Black Earpds Bundle) : Musical Instruments
Sound BlasterX G6 7.1 HD Gaming DAC and External USB Sound Card with Xamp Headphone Amplifier for PS4, Xbox One, Nintendo Switch, and PC. - Creative Labs (United States)
Beyerdynamic Dt-990 Pro Acoustically Open Headphones (250 Ohms) Bundle : Target
Amazon.com: beyerdynamic DT-990 Pro Acoustically Open Headphones (250 Ohms) with Knox Gear Large Hard Shell Headphone Case Bundle (2 Items) : Musical Instruments
Are they really that good? - the most popular gaming headphones tested - YouTube