Guangzhou Hiwell Audio Electronics Co., Ltd.  

Product Name: Professional Loudspeaker Stereo Column 3.5 Inch Neodymium 60 Watt Full Range Speaker Model NO.: 3.5NFS25A-4 Certification: CE, RoHS, FCC Application: Stage Operation Mode: No Activity: Passive Noise: 0 AES Power Rating: 30 W Program Power: 60 W Frequency Range: 138-19000 Hz Voice Coil: 1 Inch Ccaw Sensitivity: 90 dB Impedance: 4 Ohm Magnet: Neodymium Chassis: Aluminium Trademark: CI Transport Package: Carton Specification: 220x220x158 mm Origin: China HS Code: 8518290000 Product Description Pro Audio 3.5 Inch Neodymium Full Range Speaker 60 Watt Stereo column1 INCH COPPERVOICE COIL90dB/SPL SENSITIVITY60 WATT PROGRAM POWER HANDINGFEM OPTIMIZED MOTOR AND SUSPENSIonSOPTIMIZED COOLING SYSTEMDOUBLE SPIDERRESonANCE FREE AND HEAVY DUTY BASKET DESIGNGENERAL SPECIFICATIonSNominaldiametermm(in.)94.1(3.5)NominalimpedanceΩ4MinimumimpedanceΩ4Programpower(1)W60AESPowerrating(2)W30Sensitivity(3)dB90FrequencyrangeHz138~19000Voicecoildiametermm(in.)25.4ChassismaterialPlasticMagnetmaterialNeodymiumMagnetdimensions(ODxIDxh)mm24.5 x 8 1 pcsCoilmaterialCCAWFormermaterialPaperXmax(4)mm1Xmech(5)mm2Gapheightmm4VoicecoilWingdingheightmm4SMALL SIGNAL PARAMETERSDCresistanceReOhm3.5ResonancefrequencyFsHz138.6MovingmassMmsg2.2ComplianceCmsmm/N0.5ForcefactorBLN/A2.7MechanicalQ-factorQms3.0ElectricalQ-factorQes0.94TotalQ-factorQts0.72EquivalentairvolumeVasI2.1VoicecoilInductanceLemH0.4DiaphragmareaSdcm²50ReferenceefficiencyEta0%0.58SHIPPING INFORMATIONNetweightKg0.18Multipacksize(1)(WxDxH)mm445 x 3420 x 216MultipackweightKg7.8QualityAssuranceSince 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.