Product Name: 8inch Loudspeaker for line array with 16ohm impedance, Subwoofer Model NO.: 8AH6 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 magnet: ferrite basket material: aluminium cone material: fiber/pulp paper cone application 1: outdoor/indoor speaker application 2: stage/karaoke/DJ speaker Trademark: DERWEL Transport Package: Carton Specification: 45.6*45.6*26 Origin: Guangzhou Product Description 8inch Loudspeaker for line array with 16ohm impedance,SubwooferSubwoofer/Loudspeaker/Amplifier/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 April +8613719097884GENERAL SPECIFICATIonSNominal Diameter 8InchRated Impedance16ΩPower Handling Capacity 300WattsSensitivity 1W 1M91.4dBEffective Piston Diameter170mmVoice Coil Diameter 65.5 mm2.5 InchTHIELE-SMALL PARAMENTERS Resonance FrequencyFs80HzDC ResistanceRe10.8ΩMechanical Q FactorQms9.624Electrical Q FactorQes0.550Total Q FactorQts0.520 BL Factor BL17.304TMEffective Moving MassMms30.293grEquivalent Cas Air LoadVas9.532litersEffective Piston AreaSd0.023Half-Space Efficiency Eff0.862%Top Palte ThicknessHag8mmVoice Coil Height Hvc16mmVoice Coil Over-HungXmax6.0mmPHYSICAL INFORMATIONMagnet156×80×20 FerriteVoice Coil Winding MaterialCopperCone MaterialPulp PaperOverall Diameter206mmMounting Holes8 holes ∅ 195mmTotal Depth 103mmSection 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