Product Name: Ferrite Speaker 12 Inch Powerful Speaker for Line Array 12 Inch Woofer Speaker Model NO.: HYW-1275-075 Brand: OEM Certification: CE Radiation Mode: Direct Radiation Type Style: Wireless Transducer Principle: Permanent Magnetic Speaker Cone: Paper Cone Transmission Mode: Air-conduction Category: Speaker Net Weight: 5.1kg Gross Weight: 6.2kg Package Size: 340x340X180mm Sensitivity(1W/1m): 98dB RMS Power Handling: 400W Magnet Material: Ferrite Voice Coil Diameter: 75mm/3 Inch Cone Material: Paper Edge Material: Cloth Basket Material: Die-Casting Aluminium Trademark: OEM Transport Package: Double Cartons Specification: 12 inch Origin: China HS Code: 8518290000 Product Description Product DescriptionFeatures :- Professional quality woofer speakers from 10"-18" optional- 800W continuous program power capacity, 400W RMS power handling- 98dB sensitivity- 4/8 ohms available- 45hz-5khz Frequency response- 3" High temperature CCAW Voice coil wire and fiberglass former- Ideal for compact 2-way speaker system and line array speaker .SpecificationNominal diameter300/12mm/inchNominal impedance8ohmMin impedance LF5.2ohmFrequency response45-5kHzMagnet size190x20mmMagnet materialFerriteSensitivity (1w/1m)98dBNominal power handling400WattsContinuous power handling800WattsVoice coil diameter75/3mm/ inchWinding materialCCAWCone materialPaperSurround materialClothT/S ParameterFs48.3HzRe5.2ΩQes0.60Qts0.58Qms17.41Vas75.1LRms1.1kg/sCms0.18mm/NMms61.7grBI12.8N/ARp76.2ΩLp30.0mHCp829.8uFLe0.8mHMounting informationOverall diameter312/12.28mm/inchBolt Circle diameter295/11.6mm/inchBaffle Cutout diameter279/10.98mm/inchTotal Depth134/5.28mm/inchMounting depth122/4.8Flange thickness12/0.47mm/inchShipping informationNet weight5.1KGShipping weight6.2KGShipping box330x330x160mm