Summary: Type: subwoofer; The number of bands: 1; Power: 300 W (nominal), 600 watts (maximum); Sensitivity: 91 dB; Frequency range: 35 - 150 Hz; Housing: no; Additional information: 2x4 Ohms impedance. The resonant frequency of 35.6 Hz. The mass of the magnet 1,7 kg; ...