SuperSonic 6" x 9" 3-Way Coaxial System: * 1200W peak power * 2.59" tweeter * Midrange 0.78" x 2 Piezo tweeter * IMPP woofer cone * Sensitivity: 90 dB * Frequency response: 70Hz - 2.5kHz * Impedance: 4 ohms * Magnet structure: 30 oz * Mounting depth: 3.34" * Pair of Speakers