Power Handling: 1500 Watts RMS / 3000 Watts Peak - Massive High Density Foam Surround - 3" High Temperature Dual Voice Coil - 160 oz. x 2 High Density Barium Ferrite Magnet - Impedance: Dual 4 Ohm Voice coil - Custom Tooled Die-Cast Aluminum Basket - Efficiency: 90dB - Frequency Response: 30-1200 Hz - Super Stiff Treated Pulp Ultra-Lite Cone - Includes: Installation Hardware and Template