10" DUAL VOICE COIL SUBWOOFERP.P. INJECTION CONE RUBBER EDGEVOICE COIL(ASV): 2"MAGNET:36 x 2 OZRMS. POWER: 400WMAX. POWER: 800 WFREQ.RESP.: 35HZ-3000HZSPL: 87dB/W/MIMPEDANCE: 4 OHM+4 OHM