The result is an attractive, durable, installation-ready loudspeaker system that will deliver top-notch sound day-after-day for years to come.Specifications: ??? Frequency range: 33 - 20,000 Hz (-10 dB); 37 - 18,000 Hz (??3 dB) ??? Nominal impedance: 8 ohms ??? Directivity factor (Q): 8.7 ??? Directivity index (DI): 9.4 dB ??? Sensitivity (1W/1m half space): 97 dB ??? Crossover frequencies: 600 Hz