Configuration: compact vented sub active system Freq Response(-10dB): 40-150Hz Sensitivity (1W@1m): 97dB Nominal Impedance: 4 ohms Rated power: 500 Watts Max. Power: Crossover Freq: 150Hz Low Frequency: 18" Woofer Input Connector: In1 x XLR-F+1(Jack conbo input) Output Connector: Out x XLR-M link out Weight: 42.0kg