Summary: Type: coaxial speaker; The number of bands: 2; Power: 38 watts (nominal), 150 W (maximum); Sensitivity: 90 dB; Frequency range: 45 - 21000 Hz; Additional information: Butyl rubber suspension of the diffuser to improve the durability and improving sound quality. As diffuser holder of stainless steel. Impedance 4 Ohm.; ...