Summary: Type: subwoofer; Size: 38 cm (15 in.); The number of bands: 1; Power: 900 W (nominal), 1800 watts (maximum); Sensitivity: 96 dB (W/m); Frequency range: 25 - 1500 Hz; Impedance: 4 Ohm; Housing: no; Number of speakers: 1; Dimensions: 381 mm; Cone material: polypropylene injection molded; Mounting depth: 181 mm; Type of winding: double; T ...