Summary: Type: coaxial speaker; The number of bands: 3; Power: 110 W (nominal), 220 watts (maximum); Sensitivity: 92 dB; Frequency range: 18 - 24000 Hz; Additional information: Frequency crossover: 1200/6000 Hz. Impedance 4 Ohm. Tweeter material - polypropylene; woofer material - pressed paper.; ...