BLG-15 Type: compact two-way passive system woofer: 12''(166mm)woofer; 2''(30.5mm)voice coil;54.7OZ;8ohm Driver: 1.35''(34.4mm) Ti Diap.driver:17.1OZ;8ohm Frequency response : 45Hz-20k Hz ±3db Rated power: 400W RMS(LF:350W/HF:50W) Max Power: 800W RMS(LF:700W/HF:100W) Crossover passivo: 2.8KHZ Sensitivity: 99dB (1m/1w) Max.Peak SPL: 126dB Max.Long TERM SPL: 132dB Connector : 2xSPEAKON®(IN-LINK) Dimensions: (h)725mm*(w)505mm*(d)425mm Weight: 19.7kg