Summary: Type: component speakers; The number of bands: 2; Power: 100 W (nominal), 400 watts (maximum); Sensitivity: 90 dB; Frequency range: 75 - 23000 Hz; Additional information: Impedance 4 Ohm. The steepness of the characteristics of the attenuation crossover: 24 dB. External crossover. WOOFER material diffuser: anodized aluminum. Rubber surround ...