FEATURES: 6 x 9? 3- Way Speaker 1/2? (13mm) PEI Dome Tweeter Polypropylene Cone Even-Pressure Foam Surround 1? (25mm) high temperature voice coil Rigid Stamp Steel DB Basket design Anti-resonance Basket treatment Proprietary protective magnet band CEA 2031 Compliant Power Ratings SPECIFICATIONS: RMS Power Handling :85 Watts Dynamic Power Handling : 160 Watts Recommended Power Range RMS : 50 Watts ? 85 Watts Frequency Response : 35 Hz ? 21 KHz Impedence : 4ê Sensitivity : 92 dB Dimensions Mounting Depth : 2.95? / 65mm Cutout Diameter : 5.63? / 143mm