EPOS GSX 300 External Sound Card review -- Big gaming audio in a small package
EPOS Sennheiser GSX 300 Gaming Series External USB Sound Card Review
Mini sound card under test: EPOS│SENNHEISER GSX 300
Mini sound card under test: EPOS│SENNHEISER GSX 300
Amazon.com: EPOS I Sennheiser GSX 300, Gaming Dac/External Sound Card with 7:1 Surround, High Resolution Audio EQ presets for Gaming, Movies and Music - Audio Gaming Amplifier for PC and MAC Compatible,
EPOS|Sennheiser GSX 300 External USB Sound Card (updated for confusing corporate reasons) - GadgetGuy
EPOS Sennheiser GSX 300 Review | Novastream
EPOS | SENNHEISER GSX 300 | nr21 DESIGN STUDIO
EPOS Sennheiser GSP 602 and GSX 300 Gaming Series Review