LF Drivers: 1 x 15” Cast Voice Coil: 2.5” Magnet Weight (each): 80 oz RMS Power Handling: 200-Watts Frequency Response (-3dB): 50Hz-3kHz Usable Low Frequency (-10dB): 33Hz Nominal Impedance: 8-Ohms Sensitivity: 98dB Maximum SPL: 123dB Dimensions (W x H x D inches): 24 x 22 x 16 Weight: 72 Pounds