18inch Lf18X451 Custom Order Professional Audio Sound Big Event Acoustic Speaker

You didn't just buy speakers here, you also buy our quality controlled ability , we produce with Tai wan and UK glue, copper in/out voice coil with fiberglass bobbin to proof high temperature and TAI WAN material spider more stablity, reliablity. You will be away from headache quality complains.Ruizheng Speakers primary line consists of high frequency drivers and coaxial components, and cone drivers. We have made a strong commitment to provide a well-balanced line of Low Frequency drivers that range from 6.5" to 24", as well as a very complete line of High Frequency drivers.   Our engineers have optimized each design with CLIO software to ensure each design operates to its fullest potential time and time again. From nightclubs, to stadiums, to concert halls around the world, our products are chosen based on their reliability, consistency and most of all for their outstanding sound quality.https://ruizhengsound.en.made-in-china.com/product/FOPGYuMAgRVp/China-15inch-Loose-Magnetic-Material-Punchful-Bass-Sound-Bar-Speaker.html  MODEL   S18WF11530          Specifications Thiele Small ParametersTYPE Subwoofer Fs35 Hz Nominal Diameter465 mm/18 in Re5.3ohmRated impedance8 ohm Qms5.78Nominal Power (AES)1800 W Qes0.43Continuous Program Power3600 W Qts0.39 Sensitivity(1w/1m)96 dB Vas149LFrequency Range35Hz-1500Hz Sd0.1232 m2Voice Coil Diameter115 mm/4.5 in Mms243 gVoice Coil MaterialCopper out/in BL27.5 T.M     Mounting lnformation Shipping   lnformationOverall Diameterφ466 mm/φ18.3 in Net Weight         ( 1 unit)14.9 kgBolt Circle Diameterφ443 mm/φ17.4 in Shipping Weight ( 1 unit)16.7 kgMount Baffle Cut-outφ423 mm/φ16.7 in Package Size      ( 1 unit)52x52x25cmDepth214 mm/8.43 in   Bolt Hole Diameter8-7mm/8-0.26 in      Founded in 2011, ruizheng audio is designing and distributing amplifier, speakers,  supplying OEM/ODM components to many of the professional audio brands in the market today./* 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