DS18 GEN-TWR15 200 Watts Micro Dome Tweeter - Set of 2 This High-Powered Tweeter Delivers 200 Watts of Power Perfect Sound Available Together with Your Woofers, these Tweeters Have a Built-in Crossover, Micro Dome Inside, No Magnetic Field, and Work with All Car Audio Systems Impedance: 4-Ohms Sensitivity: 101 Decibels, Frequency Response: 5,000-20,000 Hertz, Crossover Frequency: 5,000 Hertz Accessories Included: 2 Angle Mounts, 2 Surface Mounts, 2 Regular Angle Mounts, 6 Mounting Screws, 2-Self-Adhesive Disk