Guangzhou Hengda Audio Equipment Co., Ltd.  

Product Name: 18" Neodymium Subwoofer Speaker, PRO Audio Professional Loudspeaker Powerful Speaker Model NO.: HDW-1831 THD: <0.005% Monitor: None Application: Commercial, Stage Speaker Material: metal Speaker System: Optional Combination Operation Mode: Wire / Remote Control Activity: Passive Hi-Fi: Not Hi-Fi Noise: <95dB Type: 18 Inch Subwoofer Magnet: Neodymium Voice Coil: 4 Inch Basket: Cast Aluminium Nominal Power Handling: 1100 Watts Sensitivity: 99 dB Frequency Range: 35-1.6K Hz Cone: Paper Cone Surround Shape: W-Roll Voice Coil Material: Copper Trademark: OEM and ODM are both welcome. Transport Package: by Export Carton or as Your Requirement Specification: Net Weight: 8.95KG Origin: China HS Code: 851829000 Product Description 18" Neodymium Subwoofer Speaker, PRO Audio Professional Loudspeaker Powerful Speaker General SpecificationsNominal Diameter18mm/inchRated Impedance8ohmNominal Power handling800WattsProgram Power1600WattsSensitivity(lw/lm)99dBFrequency Range35.5-1.6KHzMinimum Impedance(Zmin)5.6ohmVoice Coil Diameter100/4mm/inchVoice Coil MaterialcopperNumber of layers2Surround ShapeW-rollBasketCast AluminiumMagnetNeodymiumMounting InformationOverall Diameter461mmBolt Circle Diameter444mmBaffle Cutout Diameter422mmOverall Depth212mmNet Weight8.95kgShipping weight10.1kgShipping Box490*490*250mmThiele-Small ParametersResonance frequencyFs35.5HzDC resistanceRe5.6ohmMechanical factorQms4.99Electrical factorQes0.41Total factorQts0.38Mechanical complianceCms0.06mm/NMechanical resistanceRms15.6mech-ohmof suspension lossesEffective Moving MassMms349.2grHalf-space efficiencyEff1.21%BL FactorBL32.6T.mEquivalent Cas air loadVas115.2litersVoice-coil inductanceLelK1.2mHINTRODUCTIonHengda Audio is a professinal speakermanufacturerwith experience in the PA speaker field for 10years. We make different tranducers,compression drivers. We not only provide goods but technology. OEM and ODM are both welcome.