Summary: Type: subwoofer; Size: 46 cm (18 in.); The number of bands: 1; Power: 7000 W (nominal), 11000 watts (maximum); Sensitivity: 93 dB (W/m); Impedance: 2 Ohms; Housing: no; Number of speakers: 1; Dimensions: 457 mm; Mounting depth: 250 mm; Type of winding: double; ...