Summary: Type: subwoofer; The number of bands: 1; Power: 250 W (nominal), 500 W (maximum); Sensitivity: 92 dB; Frequency range: 20 - 2500 Hz; Housing: no; Additional information: LF of polypropylene injection molding with dual-layer urethane border. Double damper with dual ring. 2-layer voice coil with copper winding. Diamond-coated cone. Vas=36.16 H ...