Summary: Type: component speakers; The number of bands: 2; Power: 30 watts (nominal), 70 W (maximum); Sensitivity: 87 dB; Frequency range: 80 - 20,000 Hz; Additional information: Impedance Of 4 Ohms. Cone midrange speaker of metallized polypropylene is manufactured by the method of injection molding. Rubber surround diffuser with increased strength. C ...