Hertz MPK 163.3

6-1/2" 3-Way Component Speakers Power Handling: Peak: 600 watts per pair / 300 watts each RMS: 300 watts per pair / 150 watts each Impedance: 4 Ohm Frequency Response: 40Hz - 22,500Hz Sensitivity: 92dB MP 165.3 Woofers High Density Flux Ferrite Magnet Pressed-Pulp Cone w/ Cotton Fibers "Boundary Free" Rubber Surround Pure Copper Voice Coil Wound on Polyamide Former MP 70.3 Midwoofers Symmetrical Dual Neodymium Magnet Copper Clad Aluminium Wire Double Layer Voice Coil Wound on Polyamide Former Pressed-Pulp Cone w/ Cotton Fibers "Boundary Free" Rubber Surround Anti-Vibration Rubber Magnet Cover Acoustically Transparent Aluminium Alloy Basket MP 25.3 Tweeters Tetolon Dome High Density Flux Neodymium Magnet 3-Way Passive Crossovers Includes Grilles Mounting Depth: Woofer: 2.48" (63mm) Midwoofer: 1.73" (44mm) Tweeter: 0.67" (17mm) 1-Year Dynamic Autosound Warranty What's Included? One (1 Pair) Hertz MPK 163.3 Pro Mille 6-1/2" 3-Way Component Speakers