Alpha Gaming Vertex Hi-Fi Stereo Gaming Headset. See terms and conditions for more details. Hi-Fi Stereo Gaming Headset by Alpha Gaming. Equipped with dual built-in and removeable noise-reducing microphones, HD stereo sound and boosted bass, this innovative headset has everything you need for the ultimate immersive gaming experience. Each headset also features large over-ear cups with padded cushions for extra ergonomic comfort and noise reduction.