Summary: Type: component speakers; The number of bands: 2; Power: 100 W (nominal); Sensitivity: 90 dB; Frequency range: 55 - 25000 Hz; Additional information: The steepness of the characteristics of the attenuation crossover: 2800 dB. Impedance 4 Ohm. Treble cone: soft dome. Magnet tweeter neodymium. Ferrofluid cooling of the RF.; ...