Sennheiser präsentiert das Gaming-Headset GSP 550 mit 7.1 Surround Sound - Notebookcheck.com News
Amazon.com: Sennheiser GSP 550 PC Gaming Headset with Dolby 7.1 Surround Sound, Flip-to-Mute microphone, USB connectivity for Dekstop and Laptop compatibility, Open-back ear cups, breathable fabric Headset, black : Video Games
Sennheiser GSP 550 - Soldat im Spezialeinsatz! (Review) - YouTube