User manual Sennheiser GSX 1000 (English - 32 pages)
Amazon.com: EPOS GSX 1000 Gaming Audio Amplifier / External Sound Card, with 7.1 Surround Sound, Side Tone, Gaming DAC and EQ, Headphone amp Compatible with Windows, Mac, Laptops and Desktops. (Renewed) : Video Games
Sennheiser GSX 1000 7.1 Channel Amplifier for sale online | eBay
Sennheiser GSX 1000 Review | headphonecheck.com
Sennheiser GSX 1000 7.1 Channel Amplifier for sale online | eBay
GSX 1000 2nd edition
This $200 gaming sound card gives you the best audio available for less | ZDNET
Sennheiser Epos GSX 1000 2nd gen with GSP 550 Headset Combo - computers - by owner - electronics sale - craigslist