Summary: Type: subwoofer; Size: 25 cm (10 in.); The number of bands: 1; Power: 250 W (nominal), 500 W (maximum); Sensitivity: 83 dB (W/m); Impedance: 2 Ohms; Housing: no; Recommended housing: closed box, vented; Number of speakers: 1; Dimensions: 250 mm; Mounting depth: 131 mm; The installation hole: 235 mm; Type of winding: double; Terminals: ...