Planet Audio AP65C 6.5-Inch 2-Way Component Speaker System, Treated Paper Cone Power Handling (Peak) 300W , Power Handling (Contin.) 150W , Freq. Response 35Hz- 20Hz , Crossover Slope @ 4.5Khz 18 Db/Octave , Efficiency (1 Watt/1 Meter) 91Db , Impedance 4 Ohm , Mid Bass Woofer Diameter 6-1/2-Inch , Soft Silk Dome Tweeter Diameter 1-Inch , Passive Crossover Network 2-Way , Mounting Depth 2-11/16-Inch 6.5-Inch 2-Way Component Speaker System Treated Pressed Paper Cone , Smooth-Rolled Butyl Rubber Surround , 1-Inch Black Anodized Aluminum Voice Coil Former , 1-Inch Silk Soft Dome Tweeters 18Db Passive Crossovers , Custom Grilles