1*18″ 500W 8Ω Frequency Response 35Hz-300Hz Sensitivy: 98dB(1W/1m) Maximum SPL: 130dB(SPL peak/1m) RMS Power: 500W Peak Power 1000W LF: 1×18″ Impedance: 8Ω2*8 full range LF:300W HF:100W 16ΩDispersion pattern 80Hz-20KHz Max SPL 124dB(SPL peak/1m) Sensitivity 106dB(1W/1m) Rated Impedance LF:16Ω HF:16Ω RMS Power: LF:300W, HF:100W Peak Power LF:600W, HF:200W