Summary: Type: component speakers; The number of bands: 2; Power: 85 W (nominal), 150 W (maximum); Sensitivity: 86 dB; Frequency range: 60 - 20,000 Hz; Additional information: Impedance 4 Ohm. The diffuser is made of polypropylene coated Titanium-Ceramic. As diffuser holder LF steel, stamped.; ...