Type: Compact vented sub passive system Woofer: 15〝(380mm)woofer; 3.0〝(76.5 mm) voice coil;79.0 OZ;8 0hm Frequency response: 40 HZ-150H±3db Rated power: 400W RMS Max Power: 800W RMS Crossover Passivo: 150HZ Sensitivity: 95 dB (1m/1w) Max peak SPL: 116 dB Max. Long Term SPL:120d Connector: 2*SPEAKON (IN-LINK) Dimensions: (H)560mm*(W)*750mm*(D)590mm Weight:30.5 kg