Product Name : JW151018 Product Description : Professional Audio Speaker, Usage For Woofer Price of product ( USD price or FOB price) : 1USD---98USD Product origin : Guangzhou P.R China Key Specifications : frame diameter : Diameter 395mm (15 in) Nominal impedance : 8 VOICE COIL DC resistance : 5.4 Nominal power handling : 600W Continuous power handling : 800W Sensitivity (SPL1W/1m) : 94+/-2 dB Frequency range : F0~2.5 kHz Voice coil diameter : 100mm (4 in) Winding Material : Copper Diaphragm material : Paper Magnet material : Ferrite Special Features : Fms : 54.1Hz nref : 0.95 % Res: 57.5 bl : 17.7N/A Re: 5.4 spl: 91.8dB Qms : 3.80 vas : 57.0L Qse : 0.92 RP : 18.7 Qts: 0.74 LP: 18.2mH Rms : 13.9kg/s cp : 627.8F Cms : 0.06mm/N le: 1.01mH mms : 155.5gr sd : 855.3c Minimum Order Size and Packgaing details : Packing : Carton, for trial order MOQ : 20pcs