QUALITY YOU CAN TRUST: Engineered and designed in the USA, the ST2 are high compression bullet tweeters that are rated at 300 watts max peak power each. Ready to delivery major concert sound to your sound system. SLIM PROFILE: High performance pair of 3.85 inch compact design with 1.39 inches of mounting depth. BUILT IN CROSSOVER: A capacitor that eliminates out all low end frequencies that might otherwise harm the super tweeters. DESIGNED FOR EFFICIENCY: The aluminum diaphragm has been engineered to take the power needed to keep up and maintain crystal clarity. CRYSTAL CLEAR HIGHS: These tweeters are capable of generating extremely loud volume you need to keep up in the high SPL environment.