(Fountek) 3inch full range loudspeaker driver Extend frequency response Die cast chassis, aluminum cone Neodymium magne (Fountek) 3inch full range loudspeaker driverSpecificationsMagnet system Overall Dimensions D88.4X46.90mmMagnet system type NeodymiumNet.Weight525gMagnetic Gap Height14mmNominal Power Handlng 25 W rmsB Flux Density 0.85TNominal Impedance 8 OhmsBl Product 3.781Sensitivity 1W/1M ...