Model :CS - 54 Bass :unit 2 x 4.5 "high power high magnetic flux unit 2 x 4.5 double paper basin unit 1-1 "horn drive compressor unit High - frequency unit Directivity: H80 ° * V90 ° Frequency response :65hz-20khz Power :150W ASE Maximum power :300W MAX Sensitivity :96.5 dB @1m, 1W The volume is rated at :116dB Nominal impedance: 8 ohms Connect : NL4 Dimensions (HxWxD): 680 x 160 x 180mm Weight: 8.5 KG