Summary: Type: subwoofer; Size: 25 cm (10 in.); The number of bands: 1; Power: 450 W (nominal); Impedance: 2 Ohms; Built-in amplifier: no; Housing: yes; Enclosure type: closed box; Dimensions (WxHxD): 385x346x317 mm; Number of speakers: 1; Dimensions: 250 mm; Type of winding: double; ...