Summary: Type: subwoofer; The number of bands: 1; Power: 300 W (nominal), 600 watts (maximum); Sensitivity: 88 dB; Housing: no; Additional information: Impedance 4 Ohm. Fs own resonant frequency of 30 Hz. The weight of a neodymium magnet 0,57 kg Qts, goodness of Electromechanical 0,29. Vas, equivalent air volume 51,7l.; ...