Summary: Type: subwoofer; Size: 30 cm (12 in.); The number of bands: 1; Power: 2500 W (nominal), 3000 watts (maximum); Sensitivity: 89 dB; Impedance: 2 Ohms; Housing: no; Number of speakers: 1; Dimensions: 305 mm; Basket: cast; Material basket: aluminium; Type of winding: double; ...