Configuration:　compact vented sub　active system Freq Response(-10dB):　40-150Hz Sensitivity (1W@1m):　95dB Nominal Impedance:　4 ohms Rated power:　400 Watts Max. Power:　 Crossover Freq:　150Hz Low Frequency:　15" Woofer Input Connector:　In1 x XLR-F+1(Jack conbo input) Output Connector:　Out x XLR-M link out Weight:　35.0kg