Heavy Duty MDF Construction w/Reinforced Corners10"x18" Super Horn Midrange/Tweeter 1" Titanium Compression Driver Loaded in Horn 15" Subwoofer 2.5" Kapton VC Non-Press Paper Cone w/Cloth Edge Woofer Magnet Weight: 90 oz Compression Tweeter Magnet Weight: 20 oz Ported Enclosure for Added Bass Response Heavy Duty Handles for Easy Portability Dual Speakon & Dual 1/4" Jacks Binding Post Terminals Built In Crossover Network 2KHz Power Handling: 400 Watts RMS/800 Watts Peak Frequency Response: 35-20K HZ Sensitivity (1w/1m): 102 dB Impedance: 8 Ohms Dimensions: 27.5"W x 17.3"H x 13.4"D Weight: 44 lbs