Summary: Type: subwoofer; Size: 25 cm (10 in.); The number of bands: 1; Impedance: 4 Ohm; Built-in amplifier: yes; Housing: yes; Enclosure type: with passive radiator; Features: high voltage input, phase adjustment; Dimensions (WxHxD): 405x310x240 mm; Number of speakers: 1; Dimensions: 250 mm; ...