Line array,Pro Audio,line array speaker,Line arraysound system, PA system,professional speaker,professional loudspeaker,speaker. Model Number:LA12 Frequency Response:50Hz-16kHz±3dB System Input Power Rating:LF:800W Continous,3200W Peak,HF:150W Continous,600W Peak Sensitivity:Low:99dB@1watt,1metre; High:105dB@1watt,1metreNominal Impedance:Low:4Ω,High:8ΩMaximum SPL Continuous:Low:130dB@1metre;High:133dB@1 metre Maximum SPL Peak Program:low:136dB@1metre;high:139dB@1metre Net Weight:51Kgs/pc; Dimensions(WxHxD):1000mmx395mmx545mm