PRODUCT DESCRIPTION6x9" Thin Mount Co-Axial Speaker SystemOEM Drop in Replacement DesignGrey Injection Molded PP/Carbon Fiber Cone Butyl Rubber Surround 10 oz. Motor StructureShallow Mounting Depth EFF Motor Structures (Efficient Flux Field) Rigid Tooled Basket With Flat Black Finish 0.75" Aluminum Dome TweeterSEL Tweeter Ring (Sound Expander Lens)2-ohm System ImpedanceNominal Impedance: 2-ohmMaterial: Injection Molded PP cone with Carbon Fiber/ aluminum done tweeterMagnet Size: 10 ozSensitivity (1W / 1M): 89 dBMounting Depth: 2.48 inSize: 6x9 inSensitivity: 89 dBFrequency Response: 50Hz - 21KhzPower Handling (RMS/Peak): 60 / 180W