Product Name: 8 Inch Speaker PRO Audio Speaker 8" PA Coaxial Speaker Model NO.: HYW-850-009A Certification: CE Application: Commercial, Home Speaker System: Optional Combination Noise: ?105dB Net Weight: 4.1 Kg Gross Weight: 5 Kg Package Size: 250x250X165mm Sensitivity(1W/1m): 107/95dB RMS Power Handling: 250W Magnet Material: Ferrite Voice Coil Diameter: 50mm/2 Inch Cone Material: Paper Edge Material: Cloth Basket Material: Die-Casting Aluminium Trademark: OEM Transport Package: Double Cartons Specification: 8 inch Origin: China HS Code: 8518290000 Product Description Product DescriptionFeatures: - 500W continuous program power capacity- 95dB sensitivity 1w/1m- 60hz-18khz frequency response- Single magnet design- Titanium / Polyester diaphragm for HF driver- 25mm(1") HF throat size- 2" Voice coil for woofer + 1.7" voice coil for HF driver- Ideal for surround and monitor loudspeakersSpecificationNominal diameter210/8mm/inchNominal impedance8ohmMin impedance LF5.2ohmMin impedance HF6ohmFrequency response60-18kHzDispersion angle70°Magnet size145x25mmMagnet materialFerriteSpecification LFSensitivity (1w/1m)95dBNominal power handling250WattsContinuous power handling500WattsVoice coil diameter50/2 "mm/ inchWinding materialCopperCone materialPaperSurround materialClothSpecification HFThroat size25/1mm/inchSensitivity (1w/1m)107dBNominal power handling50WattsContinuous power handling100WattsVoice coil diameter44/1.7mm/inchDiaphragmTitanium / PolyesterT/S ParameterFs65.4HzRe5.2ΩQes0.51Qts0.49Qms13.74Vas19.8LRms0.6kg/sCms0.31mm/NMms19.2grBI9.0N/ARp85.9ΩLp27.8mHCp456.3uFLe0.5mHXmax6.5mmMounting informationOverall diameter211/8.3mm/inchBolt Circle diameter197/7.8mm/inchBaffle Cutout diameter187/7.4mm/inchDepth127/5mm/inchFlange thickness8/0.315mm/inchShipping informationNet weight4.1KGShipping weight4.7KGShipping box250x250x165mm