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
Amazon.com: Sennheiser RS 175 RF Wireless Headphone System for TV Listening with Bass Boost and Surround Sound Modes,Black : Electronics
Sennheiser Kabelgebundene Audiophile Stereo-Kopfhörer HD 660S2 mit kraftvollem Subbass, optimiertem Surround-Sound und verbessertem Schallwandler-Airflow, Magnetsystem und Schwingspule – Schwarz: Amazon.de: Elektronik & Foto
Sennheiser PC 373D gaming headset can create 7.1 channel Dolby Surround experience - GadgetDetail
Sennheiser GSP 350 PC Gaming Headset with Dolby 7.1 Surround Sound 615104276741 | eBay