SUBWOOFER: 10" DUAL VOICE COILCONE: GLASS FIBER WOVENVOICE COIL(BSV): 4-LAYERS, 3"MAGNET: 65 OZ x 3RMS POWER: 1300WMAX POWER: 2500WFREQ.RESP.: 40HZ-1000HZSPL: 89dB/W/MIMPEDANCE: 1 OHM+1 OHM