Summary: Type: subwoofer; The number of bands: 1; Power: 250 W (nominal), 500 W (maximum); Sensitivity: 83 dB; Frequency range: 29 - 500 Hz; Housing: no; Additional information: Holder of the diffuser - steel. WOOFER cone is made of polypropylene, coated with aluminium, strontium-ferrite magnet. Suspension - rubber.; ...