Type: 3 way, 3 driver loudspeaker system Frequency Response: 40Hz to 20kHz Power Handling: 60W Crossover Frequency: 1000, 4500Hz Impedance: 8 Sensitivity: 92dB Bass: 1 x 200mm cone Midrange: 1 x 120mm cone Tweeter: 1 x 25mm dome Enclosure: infinite baffle Dimensions: 286 x 486 x 216mm Year: 1981