Specifications: Rated power: 4W Maximum power: 500W Audio response: 2K-22KHZ Impedance: 4 ohms Sensitivity: 92dDB Features: -High efficiency dome tweeter. -More sound, less energy. -Instant installation. -Fits anywhere. -No magnetic field, tapes and credit cards are safe. -Built-in crossover. -For all car audio systems. Notes: -Please allow little differs due to manual measurement,The above dimensions are only for reference. -Please be reminded that due lighting effects, monitor's brightness/contrast settings etc, there could be some slight differences in the colour tone of the website's photo and the actual item. Package Includes: -2 x Car Tweeters -2 x Clip on bases -2 x Screws -2 x Adhesive Tapes -1 x User Manual