Summary: Type: subwoofer; Size: 25 cm (10 in.); The number of bands: 1; Power: 150 watts (maximum); Sensitivity: 87 dB (W/m); Impedance: 2 Ohms; Built-in amplifier: yes; Case: yes; Case type: vented; Dimensions (WxHxD): 450x333x330 mm; The number of speakers: 1; Dimensions: 250 mm; Type windings: double; ...