The HyperX Cloud Alpha S builds upon the groundbreaking Cloud Alpha and features custom-tuned HyperX virtual 7.1 surround sound With the included audio control mixer you can activate the surround sound and adjust the game audio and chat balance without having to go into any menus Bass adjustment sliders have been added to the ear cups so you can personalize your audio The Cloud Alpha S still features the dual-chamber driver system which reduces distortion and provides clearer sound as well as signature HyperX comfort afforded by the memory foam ear cushions which have been upgraded with extra breathable leatherette.