Summary: Type: subwoofer; Size: 25 cm (10 in.); The number of bands: 1; Power: 6500 W (nominal); Sensitivity: 90 dB (2.83 V/m); Impedance: 1.6 Ohm; Housing: no; Recommended housing: vented; Number of speakers: 1; Dimensions: 250 mm; Cone material: paper reinforced,; Mounting depth: 192 mm; The installation hole: 234.5 mm; Resonance frequency (F ...