Qkara Acoustic QK-810 10" 4 way 5 speaker

System: 4 ways 3 speaker
Power: 450W
Dirver: 1"10"Woofer+4*3"Tweeter
Impedance: 6 Ohm 
Frequency Response: 50Hz~20KHz
Sensitivity: 91db
Dimension: 510mm x 310mm x 305mm
Net weight: 8.96kg