Summary: Type: subwoofer; Size: 38 cm (15 in.); The number of bands: 1; Power: 1200 W (nominal), 2400 watts (maximum); Sensitivity: 89 dB (W/m); Impedance: 2 Ohms; Housing: no; Recommended housing: closed box, vented; Number of speakers: 1; Dimensions: 381 mm; Mounting depth: 200 mm; The installation hole: 350 mm; Type of winding: double; ...