... properties of high remanence,coercivity,and Max.energy product. Sintered NdFeB Speaker Magnets gradeN35, N38, N40, N42, N45, N48, ... N35AH(Max. Operational temperature: Up to 230c) Sintered NdFeB Speaker Magnets Outsanding product:1)high performance:N52,N48M,48SH,42UH ... low weight loss less than 2 mg/cm2 Sintered NdFeB Speaker Magnets applications:loudspeakers,motor assemblies,windmill,Home appliance, ...