SUBWOOFER: 12" DUAL VOICE COILCONE: GLASS FIBER WOVENVOICE COIL(BSV): 4-LAYERS, 3"MAGNET: 65 OZ x 3RMS POWER: 1500WMAX POWER: 3000WFREQ.RESP.: 35HZ-800HZSPL: 90dB/W/MIMPEDANCE: 1 OHM+1 OHM