Blizzard XTRM uses many of the same ingredients and technologies found in Blizzard—Perfect-Surface Copper+ (PSC+) Conductors, RF/ND-Tech, and ZERO-Tech—but surpasses its namesake model with our best AC plugs, featuring Hanging-Silver over Red and Beryllium Coppers, for lower distortion and improved dissipation of high-frequency noise. This is Blizzard taken to the XTRM.