The Pyramid TW18 3.25 aluminum bullet horn tweeter features an RMS power of 300 watts. Other features include the enhanced Ferror fluid with capacitor crossover network and hardware. These brand new tweeters can run with 4 ohm or 8 ohm impedance and are just what you need to complete any woofer enclosure. Buy with confidence! Your purchase of the Pyramid TW18 300 Watt 3.25 Super Car Aluminum Tweeters come with a 1 year manufacturer s warranty! 1 buy = 2 speakers We are an authorized Pyramid dealer!