Summary: Type: coaxial speaker; The number of bands: 3; Power: 50 W (nominal), 150 W (maximum); Sensitivity: 92 dB; Frequency range: 30 - 25000 Hz; Additional information: Cone material: polypropylene injection molded with a titanium-coated. Midrange: conical, with aluminium coating. Tweeter: cone with aluminum coating. As diffuser holder: pressed ...