Product Name: 18 Inch Speaker Loudspeaker Woofer 800wrms Subwoofer Model NO.: HYW-18125-001 Certification: CE Speaker System: Optional Combination Operation Mode: Wire / Remote Control Activity: Passive Hi-Fi: Not Hi-Fi Noise: <102dB Net Weight: 22kg Gross Weight: 24kg Package Size: 520x520X270mm Sensitivity(1W/1m): 99dB RMS Power Handling: 800W Magnet Material: Ferrite Voice Coil Diameter: 125mm/5inch Cone Material: Paper Edge Material: Cloth Basket Material: Die-Casting Aluminium Trademark: OEM Transport Package: Double Cartons Specification: 18 inch Origin: China HS Code: 8518290000 Product Description Product DescriptionFeatures :800W rms125mm (5in)CCAW voice coil38-1.5KHz frequency response99dB sensitivity 1w/1mAluminium demodulating ring allows a very low distortion figureVentilated voice coil gap for reduced power compressionSpeficitaion SpecificationNominal diameter460/18mm/inchNominal impedance8ohmMin impedance LF5.2ohmFrequency response38-1.5kHzMagnet size280x25mmMagnet materialFerrite Y30Sensitivity (1w/1m)99dBNominal power handling800WattsContinuous power handling1600WattsVoice coil diameter125/5mm/ inchWinding materialCCAWCone materialPaperSurround materialClothT/S ParameterFs41.9HzRe5.2ΩQes0.55Qts0.53Qms21.77Vas138.2LRms2.7kg/sCms0.06mm/NMms226.0grBI23.8N/ARp172.9ΩLp48.3mHCp574.7uFLe1.5mH