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 newColor: black+blueEffective power: 35WMaximum power 150WAudio response: 80-22khzImpedance: 4 ohmsTweeter: 25mmThickness: 2.5cm/1.0inOutside diameter: 5cm/2.0inDiameter: 4.1cm/1.6inSize: shown as pictureSensitivity: 91dBPackage Weight: Approx.238gFitment: for all car audio systemsPackage List:2 x Car Tweeter SpeakerInstall PartsNotes: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.