Alpine SPS-110TW 1" Silk Dome Car Tweeters Max RMS Power Capacity: 100W | Peak Power Capacity: 300W 1 pure silk dome tweeter diaphragm is designed for wide frequency range and high efficiency, while never sounding harsh or shrill. Type-S Component tweeters come with a 15-degree swivel flush cup mount and and stealth OEM mount for easy integration into any car. Plus, at only  deep (flush mount), they will fit virtually anywhere.