Features: 100% brand new aftermarket Loud Audio Speaker with high efficiency. Will work great of a factory stereo or aftermarket stereo. It is easy to install. It fits anywhere and all car audio systems. There is no magnetic field, tapes and credit cards are safe. Suitable for the auto car audio, and the sound will be very clear.High efficiency square design tweeter. More sound, less energy. Specifications: Condition: 100% brand new Color: black+blue Effective power: 35W Maximum power 150W Audio response: 80-22khz Impedance: 4 ohms Tweeter: 25mm Thickness: 2.5cm/1.0in Outside diameter: 5cm/2.0in Diameter: 4.1cm/1.6in Size: shown as picture Sensitivity: 91dB Package Weight: Approx.238g Fitment: for all car audio systems Package List: 2 x Car Tweeter Speaker Install Parts Notes: 1. This is a high quality aftermarket product but not genuine. 2. Please allow 0.5 ~ 1 inch error due to manual measurement. Thanks for your understanding.