Summary: Type: subwoofer; The number of bands: 1; Power: 230 W (nominal), 450 watts (maximum); Sensitivity: 92 dB; Frequency range: 20 - 1000 Hz; Housing: no; Additional information: Impedance 4 Ohm. WOOFER material, such as cellulose. Weight of 10,5 kg installed in the enclosure.; ...