Summary: Type: subwoofer; Size: 30 cm (12 in.); The number of bands: 1; Power: 500 W (nominal), 1000 watts (maximum); Sensitivity: 88 dB (W/m); Frequency range: 30 - 2000 Hz; Impedance: 4 Ohm; Housing: no; Number of speakers: 1; Dimensions: 300 mm; Cone material: paper; Material suspension: rubber; Resonance frequency (Fs): 35 Hz; ...