Amazon.com: Massdrop x Sennheiser PC37X Gaming Headset + Sennheiser PCV 05 Combo Audio Adapter : Video Games
Dual 3.5mm Combo Audio Cable Adaptor For PC Xbox PS4 SENNHEISER PCV 05 | eBay
Headset Combo Y-Adapter for Sennheiser PC 360 SE, PC 350, GSP 300, Game Zero and Game ONE Gaming Headsets Compatible with Xbox One, PS4 and Smartphone Adapter : Video Games