4.the line array speaker systemconsists of 1x12" low frequency cone driver, 2x6.5" mid frequency cone driver,and 3x1"exit ,1.3 inch voice coil compression drivers coupled to a special waveguide for HF reproduction. 5. Depending on hte number of speaker cabinets, flown or stacked, the vertical directivity can be controlled from 15 to 60 angles 6. suitable fro medium to large scale liver sound reinforcement, concert halls clubs, stadiums, theatres and fixed installations. 7.Details: 12" Compact Bi-amplified Three-way Line Frequency Response(±3dB)45-18k HzFrequency Range(-10dB)40-18k HzDispersion(-6dB)-Vertical90°Dispersion(-6dB) -HorizontalDependent on number of speakersSensitivity (1W/1M)LF: 99 dBMF:100 dBHF: 106 dBMax SPL [1]LF: 125 dB continuous, 131 dB peakMF: 123 dB continuous, 129 peakHF: 123 dB continuous, 129 dB peakNominal ImpedanceLF: 8 ohms; MF: 8ohms; HF: 6 ohmsRated Power[2]LF: 450 Watts AES, 1800Watts Peak MF: 220 Watts AES, 880Watts Peak HF: 110 Watts AES, 440Watts PeakCrossover Frequency180Hz, 2.0k Hz activeRecommended AmplifiersLF: 1000Watts into - 4ohms/2 cabinets MF: 800Watts into - 4ohms/2 cabinets HF: 800Watts into - 3ohms/2 cabinetsEnclosure Dimension1012(W)x454(H)x550(D)mm/39.8(W)x21.3(H)x21.7(D) inch LF Transducer1xHiPower L12/8402MF Compression Driver2xHiPower M06/B149HF Compression Driver3xHiPower H34/8039Net Weight63kg (138.9 lb), including flying systems