DERWEL AUDIO CO., LTD.  

Product Name: 18inch Loudspeaker for Super Bass with Big Power, Subwoofer Model NO.: 18TM100 THD: <0.005% Monitor: LED Screen Application: Outdoor/Indoor/KTV Speaker Material: Wood Speaker System: Optional Combination Operation Mode: Wire / Remote Control Activity: Passive Hi-Fi: Not Hi-Fi Noise: <102dB type 1: Subwoofer type 2: bluetooth speaker type 3: powerful amplifier type 4: wireless speaker type 5: portable speaker type 6: PRO audio type 7: line array application 1: outdoor/indoor speaker application 2: stage/karaoke/DJ speaker magnet: Ferrite cone material: fiber/pulp paper cone basket material: aluminium Trademark: DERWEL Transport Package: Carton Specification: 51*47*25 Origin: Guangzhou Product Description 18inch Loudspeaker for Super Bass with Big Power,SubwooferSubwoofer/Loudspeaker/Amplifer/Powerful speaker/Speaker/Line array/Professional speakerCOMPANY INFORMATIonGuangzhou Shengguang Electronic Co.,Ltd is modernized enterprise with R&D , manufacture , sales and service . We focus on professional speakers, in the past ten years,Guangzhou Shengguang Electronic Co.,Ltd provide high quality professional speakers to customers over the word ,and got recognitions for the excellent performance ,consistent high quality and perfect speakers.DERWEL is our unique brandWelcome to visit our factory to do sound debugging with our engineer ,we have rigorously tested all products sold,our factory is nearby the Baiyun airport .The website contains just part of product , if you want to know more please contact Ice +8613760846080GENERAL SPECIFICATIonSNominal Diameter 18InchRated Impedance8ΩPower Handling Capacity 1000 WattsSensitivity 1W 1M97.0dBEffective Piston Diameter400mmVoice Coil Diameter 99.5 mm4 InchTHIELE-SMALL PARAMENTERS Resonance FrequencyFs38HzDC ResistanceRe5.0ΩMechanical Q FactorQms8.836Electrical Q FactorQes0.306Total Q FactorQts0.296BL FactorBL28.607TMEffective Moving MassMms212.258grEquivalent Cas Air LoadVas189.930litersEffective Piston AreaSd0.126 Half-Space EfficiencyEff2.7 %Top Palte ThicknessHag12mmVoice Coil HeightHvc22mmVoice Coil Over-HungXmax8.0mmPHYSICAL INFORMATIONMagnet220×110×30 FerriteVoice Coil Winding MaterialCopperCone MaterialPulp PaperOverall Diameter460mmMounting Holes8 holes ∅ 440mmTotal Depth 242mmSection 1: Company photoSection 2: Production CapacityFAQQ1: What is our warranty for speaker drivers?For our speaker driver, we have one-year warranty.Q2:How can i get a sample ?If you need some samples to test,we can make as per your request .You should pay for the transportation freight of samples and our samples cost,while the samples cost can be refundable after you place the order.Thanks.Q3:How much the transportation freight of samples?The freight depends on the weight and packing size and your area.Q4:Is it OK to print my logo on the product?Yes.Please inform us formally before our production and confirm the design firstly based on our sample.Q5:Can you produce according to customers' design?Yes.we mainly do the OEM/ODM service.Q6:What's the minimum order quantity(MOQ)?MOQ is 50pcs-500pcs each model size.Q7:How about the delivery time?For sample: 10-15 daysFor order: 30-45 days