Summary: Type: subwoofer; Size: 38 cm (15 in.); The number of bands: 1; Power: 2000 watts (maximum); Sensitivity: 89 dB (W/m); Impedance: 2 Ohms; Housing: no; Number of speakers: 1; Dimensions: 381 mm; Resonance frequency (Fs): 33 Hz; Full q (Qts): 0.404; Equivalent volume (Vas): 57 l; Type of winding: double; ...