Professional 18 Inch Acoustic Speakers 800W RMS Subwoofer

Professional 18 Inch Acoustic Speakers 800W RMS SubwooferProduct Specification:General SpecificationsNominal Diameter460/18mm/inchRated Impedance8ohmNominal Power handling800WattsProgram Power1600WattsSensitivity(lw/lm)98dBFrequency Range38-1.5KHzMinimum Impedance(Zmin)6.9ohmVoice Coil Diameter125/5mm/inchVoice Coil MaterialCopper Clad Aluminum Voice Coil Winding Depth25mmNumber of layers2(Inside/Outside) Magnet gap depth12mmCone ShapeCurved Surround ShapeM-roll BasketCast Aluminum Flux Density1.1TMagnet Material/MassCeramic     Thiele-Small parametersResonance frequencyFs38HzDC resistanceRe5.6ohmMechanical factorQms8.5 Electrical factorQes0.34 Total factorQts0.33 Mechanical complianceCms0.089mm/NMechanical resistanceof suspension lossesRms4.9mech-ohmEffective Moving MassMms192grHalf-space efficiencyEff3.0%BL FactorBL28T.mEquivalent Cas air loadVas193litersEffective piston areaSd0.1257m2Max.linear excursionXmax8mmVoice-coil inductanceLelK1.3mH  Mounting InformationOverall Diameter461mmBolt Circle Diameter424mmBolt Hole Diameter6.5*9.5mmBaffle Cutout Diameter439mmOverall Depth202mmNet Weight19.2kgIntroduction:We are a PA speaker factory of more than 13 years in Panyu,Guangzhou,China,occupying 2000 square meters with 3 production lines.We make Pro audio speakers from small sizes upto 24 inch.R&D Capability:In the R&D, Hipower's experienced engineers and technicians carry out researches on new materials.state-of-art components and advacned product designs with the help of an anechoic chamber,test instruments and simulation sofwares.Markets:Ever since 2003, we have been exporting to many countries, including southeast Asia, Europe, North Ameria and South America. /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1