Polk Audio Polk Striker Zx Headset, Black - Xbox One Powered by 40 years of audio heritage and tuned for heart-pounding sound quality, the Striker ZX's sound will elevate your gaming experience by hearing all the detail, all the subtleties in the game. Stay-focused Comfort, Our ProFit Comfort system creates a lightweight headset that helps your gaming concentration, never hinders it. The 40mm drivers have been created using Polk's patented Dynamic Balance driver design process. This helps eliminate resonances and creates the Striker's game changing high-quality sound. Manufacturer Refurbished