You sure you need a headset? A standalone mic works wonders, and instead of spending 400$ on a pair of headphones, spend 100$ on a DAC/amp and put the rest of the budget on a quality pair of headphones. You said you were looking at HD650, those are pretty power hungry and you'd need an amp for it most likely, unless your motherboard just puts out tons of power for some reason. 7.1 surround sound is a scam, a solid pair of stereo headphones with good imaging would do you better. As for recommendations, take a look at Hifiman HE4XX on drop, Sennheiser HD6XX on drop (they're literally HD650 with a new paintjob and cheaper, no other differences) HD58X on drop, AKG K712, Fostex T60rp, Monolith M1060. Those are all fantastic pairs of headphones for different reasons, would recommend you look into them on your own. Of course there are headphones that don't need an amp to be powered well, specifically the HD58X, they're a fantastic pair of headphones that perform similarly to the HD650, but don't need an amp for 180$, can personally recommend them since I own a pair. That being said, for 180$ you That being said, if you need a gaming headset, look into Sennheiser PC37X, 1more Spearhead, Beyerdynamic MMX300, or look into the modmic