Summary: Type: subwoofer; The number of bands: 1; Power: 400 W (nominal), 800 watts (maximum); Sensitivity: 89 dB; Frequency range: 35 - 1000 Hz; Housing: no; Additional information: Diffuser made of reinforced unpressed pulp on a wide suspension extended free lift. Weight of the magnet 100, the Resulting figure of merit (Qts): 0.39. The equivalent ...