Pyramid PP15 15-Inch 800-Watt Dual 4-Way Stereo Hatchback System 12" 800W 12.75"H X 6.75"W X 30"L Sensitivity: 110 Db @ 1W/1 M Includes 2 Polymer-Laminated High-Power Woofers & 2 Super Horn Piezo Tweeters