Guangzhou Hiwell Audio Electronics Co., Ltd.  

Product Name: 21'' Ferrite Subwoofer 3600W Powered Speaker Professional Loudspeaker with 5'' Vc Subwoofer. Model NO.: 21FWS125Q1 Certification: CE, RoHS, FCC Application: Stage Speaker Material: Plastic Operation Mode: No Activity: Passive Noise: 0 AES Power Rating: 1800 W Program Power: 3600 W Voice Coil: 5''vc Copper in/out Frequency Range: 30-1000Hz Sensitivity: 97dB Impedance: 8 Ohm Magnet: Ferrite Chassis: Aluminium Trademark: CI Transport Package: Carton Specification: 570 x 570 x 270 mm Origin: China HS Code: 8518290000 Product Description 21'' Ferrite Subwoofer 3600W Powered Speaker Professional Loudspeaker with 5'' VC Subwoofer.5 INCH COPPER VOICE COIL97 dB/SPL SENSITIVITY3600 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.)545(21)NominalimpedanceΩ4MinimumimpedanceΩ4Programpower(1)W3600AESPowerrating(2)W1800Sensitivity(3)dB97FrequencyrangeHz30~1000Voicecoildiametermm(in.)125(5)ChassismaterialAluminiumMagnetmaterialFerriteMagnetdimensions(ODxIDxh)mm280x140x25CoilmaterialSVFormermaterialGlassFiberXmax(4)mm14.5Xmech(5)mm23Gapheightmm14VoicecoilWingdingheightmm36SMALL SIGNAL PARAMETERSDCresistanceReOhm3.6ResonancefrequencyFsHz30MovingmassMmsg325ComplianceCmsmm/N0.08ForcefactorBLN/A26.1MechanicalQ-factorQms10.6ElectricalQ-factorQes0.34TotalQ-factorQts0.33EquivalentairvolumeVasI380VoicecoilInductanceLemH3.8DiaphragmareaSdcm²1750ReferenceefficiencyEta0%3.1SHIPPING INFORMATIONNetweightKg22.1Multipacksize(1)(WxDxH)mm570x570x270MultipackweightKg24.6QualityAssuranceSince 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.