Summary: Type: subwoofer; The number of bands: 1; Power: 400 watts (maximum); Sensitivity: 92 dB; Frequency range: 20 - 200 Hz; Housing: no; Additional information: Woofer size 300 (12") mm Power rating of 200 W. Impedance 4 Ohm. Woofer material polypropylene. Own resonant frequency of 28 Hz. Equivalent air volume 147 HP electro-mechanical quality fa ...