Summary: Type: subwoofer; The number of bands: 1; Power: 1000 watts (maximum); Sensitivity: 84 dB; Frequency range: 50 - 2500 Hz; Housing: no; Additional information: Diameter mounting hole 240 mm Resonance frequency 37.02 Hz. Impedance Of 4 Ohms. The mass of the magnet, 153.05; ...