B&C 8CX21 8″ Professional Coaxial Speaker 8 Ohm, 94 dB sensitivity (75 – 20 khz)
Min Frequency Range: 75 kHz. Min Frequency Range:20000 kHz. 94 dB sensitivity. Flux Density:1.1 T. Sensitivity: 94 dB. Flux Density: 1.45 T. Sensitivity: 101 dB. Frequency Range: 75 Hz - 20000 Hz.