Summary: Type: subwoofer; Size: 25 cm (10 in.); The number of bands: 1; Power: 700 W (nominal); Sensitivity: 87 dB; Impedance: 4 Ohm; Housing: no; Number of speakers: 1; Dimensions: 250 mm; Cone material: pressed pulp/fiberglass fabric; Material suspension: foamed polyurethane; Type of winding: double; Terminals: spring; ...