Summary: Type: subwoofer; Size: 25 cm (10 in.); The number of bands: 1; Power: 350 W (nominal); Sensitivity: 93 dB (W/m); Frequency range: 25 - 800 Hz; Impedance: 4 Ohm; Built-in amplifier: no; Housing: yes; Enclosure type: vented; Number of speakers: 1; Dimensions: 250 mm; Cone material: polypropylene injection molded; Material suspension: EP ...