Feature: 1. Professional High Frequencies: Professional super tweeter for easy handling of high frequencies, the Horn Cover is Made of Synthetic Metal Pe Hard Material to Better Protect the Diaphragm 2. High Sensitivity: Perfect sound resolution and excellent sound performance can provide clear sound, professional Capacitor and Exquisite Pure Copper Wiring Port 3. Upgrading to Super Tweeter: Make the most of your system by upgrading to super tweeter, giving you everything you lack from stereos. Know what high end tweeters can do for you 4. Carefully Designed: These tweeters have been carefully designed to sound as good as they look, those with Blue Lines Are Positive, None of Them Are Negative 5. Strict Quality Standards: Manufactured according to the original production specifications, in line with strict quality standards Specification: Item Type: Car Speaker Material: PE , Magnet Power: 150W Voltage: 12V Impedance: 4Ω Frequency Range (hz): 3.5Khz-22Khz Sensitivity: 91dB Automobile Brand: General . Package List: 2 x Car Speaker2 x Plastic Black Frame 2 x Screw 2 x Double Sided Adhesive Tape2 x Connecting Cable Note: Please confirm installation sizes before purchase, and make sure the length and height of the machine panel is suitable for your carBefore installation, please carefully check the car horn wire, in case of grounding or collision, please reconnect the wire before connecting our machine, otherwise it may burn the machine