The Pyramid 6987 Chrome Speakers (6 inch X 9 inch; 4-Way) Fits 6 inch X 9 inch Configurations. 4-Way. 300W Max. Imp: 4?. Freq Resp: 80 Hz–18 Khz. Sensitivity: 98 Db @ 1W/1 M. 2.75 inch Mounting Depth. 40-Oz Magnet. 1 inch High-Temp Aluminum Voice Coil. 2 inch Aluminum Film Midrange. 1 inch High-Frequency Piezo Tweeters. Chrome Basket & Cones.