Material: NdFeB
Shape:ring
Magnetization: Axial
Tolerance: +/- 0,1 mm
Coating: Nickel-plated (Ni-Cu-Ni)
Property: N48
Max. working temperature: 80¡ãC

Material: NdFeB
Shape: disk
Magnetization: Axial
Tolerance: +/- 0,1 mm
Coating: Nickel-plated (Ni-Cu-Ni)
Property: N52
Max. working temperature: 80¡ãC

Shape: disc
Magnetization: Axial
Coating: Nickel (Ni-Cu-Ni)
Material: Neodym
Quality: N52
Max temperature: 80 ¡ã C

neo ring speaker magnet mainly comprised of neodymium ,iron and boron,is the third generation of the rare-earth permanent magnets,Sintered Ndfeb is the strongest permanent magnets in the world up to date,It has excellent properties of high remanence,coercivity,and Max.energy product.