Heavy Duty MDF Construction w/Reinforced Corners4"x12" Super Horn Midrange/Tweeter 1" Titanium Compression Driver Loaded in Horn 15" Subwoofer 2.5" Kapton VC 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: 40-20K HZ Sensitivity (1w/1m): 98 dB Impedance: 8 Ohms 35mm Speaker Stand Mount Dimensions: 20"W x 30"H x 18"D Weight: 61 lbs