... and best price 3.Short lead time and all-round disc speaker magnet Magnet(NdFeB magnet) is made from Neodymium,Iron ... , and etc. 3.) Sizes: according to your requirments 4.) Shapes: disc,cylinder,sphere,block ,ring ,tile, arc, and ect. 5.) High ... alarm stage, Loudspeaker2.) Motor Field: Voice coil motor (VCM), CD/DVD-ROM, Generator, Vibration Motor, Brushless Motor, Vehicle Motor3.) Electronics: watt ...