BOSS AUDIO TW20  250-watt 1" Dome Tweeters 1 inch Polyimide Dome Tweeter Pair 250 Watts MAX Power Handling per Pair Mounting: Surface, Angel, Swivel 3 Year Platinum Dealer Warranty Power handling, Peak 250 Watts; Magnet Structure, Strontium Impedance, 4 ohm; Frequency Response, 5-20kHz SPL 1 watt/1 meter; 102db; Type, Micro Dome Mounting, Surf/Flush/Swivel; Mounting Kits, 3 Mounting Kits, 3