Specification:Voltage: 12VResistance: 4ΩRated power: 60WVoice coil: 20mm ASVSensitivity: 88 dB/ W/ MFrequency: 80-20 kHzMagnetic circuit specification: 4.3ozBass drum paper: Paper carcassDiaphragm material: Foam sideSize (DxH): Approx. 10.2x4cm/ 4.02×1.57″Wire length: Approx. 90cm/ 35.43″Applicable to all car models, designed for the installation of the car environment to ensure that audio directivity,so that the attenuation of high frequency to very low.Package Included:2 X Car Speakers2 X Connection Wires8 X Screws