... and low in maintenance costs. Loudspeaker Magnetizing Apparatus / magnet charger/ loudspeakerApplication Range: This apparatus is suitable for magnetizing ... materials, such as ferrite, AlNiCo, resin magnetic cloth, NdFeB, rare earth permanent magnetic materials and etc.Features:(1 ... of different size rare earth materials such as ferrite, NdFeB, AlCoNi and etc. (6)Multi-function, high flexibility ...