Magnet for speakers generally refers to aluminum nickel cobalt alloy. Magnet is composed of several hard strong metals, such as iron, aluminum, nickel, cobalt, and sometimes copper, niobium, tantalum. It is used to make super hard permanent magnetic alloy. Magnet is the basis of magnetic energy product. We are provide prime quality ferrite magnet and NdFeB magnet. We are a professional manufacturer of magnet for speakers for sale.