Specification Neodium-magnet lightweight, high-powered, user-friendly installation. smart design, ply wood, of international line array standard. Two driving methods: Full range driving; or driving HF and LF separately. Rugged, integral array suspension hardware ensures fast, reliable setups and takedowns. Flexible package choices w/o subwoofer. Angle adjustment between speakers creates equal SPL. Tweeter horn specially designed to make parallel wave, horizontal dispersion on a same plane. SPL damps at a rate of 3dB with double distance increased . For line array speaker system with 6 pcs NO.2 and 2 pcs NO.4, maximum SPL tested up to 103dB at 100M distance. Componentsú¦: 2í-10í¦ neodium- magnet MF driver 1í-3í¦ neodmium-magnet HF driver HF Driver: Item: MF1075AND x2 RMS powerú¦150W Max Powerú¦300W Impedanceú¦16ª+ LF Driver: Item: Hi75TiND í-1 RMS powerú¦600W Max Power :1200W Impedanceú¦16ª+ Full Range Driving:: RMS powerú¦750W Max Powerú¦1500W Impedance 16ª+ Frequency Responseú¦70Hz-18KHz Sensitivityú¦105dB (1m/1W) Horizontal : 100íp Vertical: depending on curvature Vertical Angle adjustable: 0-8íp Packing:: N.W: 31kgs/pcs G.W: 110kgs/2pcs per flight case Dimension(mm)ú¦830(L) x 760(W) x 830(H)