Product Name: Professional Loudspeaker, 3000 Watt 18 Inch Powerful Subwoofer, 280mm Magnet PA Speaker. Model NO.: 18FWS125Q1 Certification: CE, RoHS, FCC Application: Stage Speaker Material: Plastic Operation Mode: No Activity: Passive Noise: 0 AES Power Rating: 1500 W Program Power: 3000 W Voice Coil: 5''vc Copper in/out Frequency Range: 35-1000Hz Sensitivity: 96.8dB Impedance: 8 Ohm Magnet: Ferrite Chassis: Aluminium Trademark: CI Transport Package: Carton Specification: 485 x 485 x 254 mm Origin: China HS Code: 8518290000 Product Description Professional Loudspeaker ,3000 Watt 18 inch Powerful Subwoofer,280mm Magnet Pa Speaker.5 INCH COPPER VOICE COIL96.8 dB/SPL SENSITIVITY3000 WATT PROGRAM POWER HANDINGFEM OPTIMIZED MOTOR AND SUSPENSIONS46mm PEAK TO PEAK MAXIMUM EXCURSIonOPTIMIZED COOLING SYSTEMDOUBLE SPIDERRESonANCE FREE AND HEAVY DUTY BASKET DESIGNTRIPLE ROLL SURROUNDGENERAL SPECIFICATIonSNominaldiametermm(in.)461(18)NominalimpedanceΩ8MinimumimpedanceΩ8Programpower(1)W3000AESPowerrating(2)W1500Sensitivity(3)dB96.8FrequencyrangeHz35~1000Voicecoildiametermm(in.)125(5)ChassismaterialAluminiumMagnetmaterialFerriteMagnetdimensions(ODxIDxh)mm280x140x25CoilmaterialSVFormermaterialGlassFiberXmax(4)mm14.5Xmech(5)mm23Gapheightmm14VoicecoilWingdingheightmm36SMALL SIGNAL PARAMETERSDCresistanceReOhm6ResonancefrequencyFsHz35MovingmassMmsg271ComplianceCmsmm/N0.08ForcefactorBLN/A26.8MechanicalQ-factorQms7.4ElectricalQ-factorQes0.41TotalQ-factorQts0.39EquivalentairvolumeVasI220VoicecoilInductanceLemH2.8DiaphragmareaSdcm²1325ReferenceefficiencyEta0%2.6SHIPPING INFORMATIONNetweightKg21.1Multipacksize(1)(WxDxH)mm485x485x254MultipackweightKg22.9QualityAssuranceSince the raw material sent in untill the speaker sent out, every aspect of them will be fully checked.We have many advanced test equipments to measure the quality of products. No defectives will be send out.Our company have a nice quality control managing system(QC) that have strict management ofproducts and staffs.FAQ1.Q:Areyouafactoryortradingcompany?A:Weareamanufacturer withourownfactory ,we have more than 15years experience.2.Q:CanyoudoOEMandODM?A:Yes,both.We can put your idea into products.3. How many days do you need to prepare the goods?We need about 20-25working days for large order.