Summary: Type: subwoofer; Size: 30 cm (12 in.); The number of bands: 1; Power: 700 W (nominal), 1400 watts (maximum); Sensitivity: 93 dB; Frequency range: 20 Hz to 500 Hz; Impedance: 4 Ohm; Housing: no; Dimensions: 300 mm; Type of winding: double; ...