Summary: Type: subwoofer; Size: 30 cm (12 in.); The number of bands: 1; Power: 800 W (nominal), 1600 watts (maximum); Sensitivity: 87 dB (W/m); Impedance: 2 Ohms; Housing: no; Recommended housing: closed box, vented; Number of speakers: 1; Dimensions: 300 mm; Mounting depth: 96 mm; The installation hole: 279 mm; Type of winding: double; ...