Summary: Type: subwoofer; Size: 25 cm (10 in.); The number of bands: 1; Power: 150 W (nominal), 800 watts (maximum); Sensitivity: 91 dB; Frequency range: 20 - 160 Hz; Impedance: 2 Ohms; Housing: no; Number of speakers: 1; Dimensions: 250 mm; Type of winding: double; ...