Product Name: 15 Inch Speaker High Performance in Own Design Model NO.: 15FWS100U1 THD: <0.005% Monitor: No Certification: CE, RoHS, CCC, FCC Application: Professional Speaker Material: Wood Speaker System: Professional Activity: Passive Hi-Fi: Not Hi-Fi Noise: <95dB Trademark: HIWELL Transport Package: imported Kraft Paper Carton Specification: 15 INCH Origin: Made in China HS Code: 851829 Product Description 15 inch speaker high performance in Own design15" WOOFERFERRITE MAGNETALUMINIUM BASKET DRIVER- 3 INCH COPPER VOICE COIL- 98 dB/SPL SENSITIVITY- 1000 WATT PROGRAM POWER HANDING- FEM OPTIMIZED MOTOR AND SUSPENSIONS- OPTIMIZED COOLING SYSTEM- RESonANCE FREE AND HEAVY DUTY BASKET DESIGNGENERAL SPECIFICATIonSNominal diametermm (in.)389(15)Nominal impedanceΩ8Minimum impedanceΩ6.9Program power (1)W1000AES Power rating(2)W500Sensitivity (3)dB98Frequency rangeHz45~3000Voice coil diametermm (in.)75(3)Chassis materialAluminiumMagnetmaterialFerriteMagnet dimensions (ODxIDxh)mm200 x 86x20Coil materialSVFormer materialGlass FiberXmax(4)mm7.5Xmech(5)mm13Gap heightmm10Voice coil Wingding heightmm20SMALL SIGNAL PARAMETERSReOhm5.5FsHz45Mmsg85Cmsmm/N0.17BLN/A18.6Qms94.85Qes0.390.35Q-factorQts0.32VasI121LemH1.0Sdcm²880Eta 0%3.3SHIPPING INFORMATIonNet weight8.5KGSMultipack size (1) (W x D x H)410 x 410 x 202MMMultipack weight9.4KGS