Summary: Type: coaxial speaker; The number of bands: 2; Power: 40 W (nominal)100 watts (maximum); Sensitivity: 86 dB; Frequency range: 52 - 32000 Hz; Additional information: Impedance 4 Ohm. Holder of the diffuser is made of fiberglass. Polypropylene WOOFER cone. Suspension LF of butyl rubber. Titanium dome tweeter cone. Neodymium magnet WOOFER. Cross ...