Summary: Type: subwoofer; Size: 25 cm (10 in.); The number of bands: 1; Power: 600 W (nominal), 1200 watts (maximum); Sensitivity: 88 dB; Impedance: 4 Ohm; Housing: no; Recommended housing: vented; Number of speakers: 1; Dimensions: 254 mm; Cone material: woven carbon fiber high rigidity; Resonance frequency (Fs): 38 Hz; Type of winding: double ...