Sennheiser GSP 350 PC Gaming Headset with Dolby 7.1 Surround Sound, Flip-to-Mute 615104276741 | eBay
Amazon.com: NewFantasia Replacement Audio Cable Compatible with Sennheiser Game ONE, Game Zero, PC 373D, GSP 350, GSP 500, GSP 600 Gaming Headsets 1.3m/4.3ft : Video Games