Marathon B-1818X Dual 18-Inch Subwoofer System Power handling: 2000 watts peak, Impedance: 4 ohms, Equipped w/PA - 18100, Frequency Response: 40hz - 300hz, Dual speakon input, Dual 1/4 input, High quality carpet, Recessed Wheels for easy transport, Heavy Duty Top Metal Handle, Metal grill, Metal corners, Dimensions: 24" x 24" 48", Weight: 165 lbs.