Summary: Type: subwoofer; Size: 25 cm (10 in.); The number of bands: 1; Power: 350 W (nominal); Sensitivity: 90 dB; Impedance: 4 Ohm; Housing: no; Recommended housing: closed box, vented, Band (Band-pass); Number of speakers: 1; Dimensions: 265 mm; Cone material: pressed pulp with water resistant impregnation; Material suspension: butyl rubber; ...