Sennheiser has carved out quite a reputation in the audio industry, as they're well known for both their low end and high-end headphones, as well as their PC, and GAME series of headsets. Sennheisers' GSP lineup is a little fresher and brings a new design language as well as other features. Their latest offering is the GSP 600 which is the most high-end headset in the GSP lineup.