Summary: Type: subwoofer; Size: 20 cm (8 inches); The number of bands: 1; Power: 400 watts (nominal)800 watts (maximum); Sensitivity: 82 dB (W/m); Impedance: 2 Ohms; Case: no; Featured case: closed box, a vented; The number of speakers: 1; Dimensions: 200 mm; Mounting depth: 104 mm; Installation hole: 177 mm; Type windings: double; Terminals: ...