Alpine SPR-10TW 1-inch Silk Ring Dome Car Audio Component Tweeters (Pair) SPR-10TW - Alpine 1" 150W RMS Type-R Series Silk Dome Tweeter Set with Crossover Filters Peak: 450 watts per pair / 225 watts each | RMS: 150 watts per pair / 75 watts each Silk Dome tweeter construction Copper-Clad Aluminum high-temperature voice coil Top-mount depth: 11/16"