Summary: Type: component speakers; The number of bands: 2; Power: 150 W (nominal), 300 watts (maximum); Sensitivity: 93 dB; Frequency range: 45 - 20,000 Hz; Additional information: Impedance 4 Ohm. Holder of the diffuser is made of aluminium. Neodymium magnet WOOFER. Titanium dome tweeter diffuser; ...