500w High Frequency Car Truck Stereo Super Tweeters Built-in

1 pair Brand New Surface Mount Piezo Tweeters w/Built-in Crossovers can be mounted 2 ways, 1st way is surface mount with the included mounting adapters, and the 2nd is flush mount...(flat mounted) * Easy Installation * Works w/Existing Radio * No Amplifier Needed * Fits In Most Places * No Magenetic Field * Mouting Hardware Included * 
Dimensions: 85mm (W) x 40mm (H) x 30mm(D) * Built-in Crossover to block low subwoofer signals and keep them from burning out * 1-3/4” Total Diameter * Sensitivity: 87dB * 320 Watts Max * works with any brand cd player.....