Power Acoustik - 6"X9" 4-Way 800 Watt (300 Watt RMS Power), 4 OHM Coaxial Speaker Pair With Carbon Fiber Injected Polypropylene Cone, 2" Balanced Dome Mid-range, 1.25" Balanced Dome Tweeters, 1" Voice Coil On Aluminum Former. Features Treated Woven Cloth Surround, 93 DB System Efficiency, 40-20 KHZ Frequency Response, Increased Efficiency Diaphragm, Over Compensating Motor Structure Inproves Low Octave Bass Response, Multi-Driver Mid-Range & Tweeter For Dynamic Sound & Performance, Quick Disconnect Wire Terminals & Custom Grills. Mounting Depth: 3.25"