Summary: Type: subwoofer; The number of bands: 1; Power: 300 W (nominal), 600 watts (maximum); Sensitivity: 93 dB; Frequency range: 25 - 1000 Hz; Housing: no; Additional information: Passive subwoofer diameter 12" with a cone of a material polyflex, special sandwich of polymers, printed on a paper basis. Full q (QTS): 0.62. Equivalent volume (VAS): ...