Summary: Type: subwoofer; The number of bands: 1; Power: 200 W (nominal), 600 watts (maximum); Sensitivity: 87 dB; Frequency range: 30 - 1000 Hz; Housing: no; Additional information: Impedance Of 4 Ohms. Diffuser pulp cone reinforced with Kevlar. The resonance frequency of 33 Hz. The mass of the magnet 1270; ...