Summary: Type: component speakers; The number of bands: 2; Power: 30 W (typical), 120 watts (maximum); Sensitivity: 91 dB; Frequency range: 50 - 25000 Hz; Additional information: Diameter mounting hole 143 mm Material HF silk. Neodymium magnet. WOOFER material - metallized polypropylene. Steel basket with a powder coating. Protective grille and cables ...