Iííc-mark lnd32 line array loudspeaker, outcome of state-of-the-art pro audio manufacturing technology: 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 lnd32, maximum spl tested up to 104db at 100m distance. Iiíícomponents: 2íß12ís neodium- magnet lf driver 1íß3ís neodium-magnet hf driver Hf driver: Item: hi75tindíß1 Rms powerú¦150w Max power: 300w Impedance ú¦16ª+ Lf driver: Item: mf1275and íß2 Rms powerú¦650w Max powerú¦1300w Impedanceú¦16ª+ Full range driving: Rms powerú¦800w Max powerú¦1600w Impedanceú¦16ª+ Frequency responseú¦50hz-18khz Sensitivityú¦108db (1m/1w) Horizontal coverage: 100íp Vertical: depending on curvature vertical angle adjustable: 0-9íp N.W: 41.5kgs G.W: 145kgs(2pcs per flight case) Dimension(mm)ú¦1160(l) x 890(w) x 720(h)