Applications

Permanent Magnetic Materials in Electronics & Electroacoustics

Permanent magnetic materials are widely used in electronics and electroacoustics due to their strong magnetic properties, compact size, and stability. Neodymium-iron-boron (NdFeB), ferrite, and samarium-cobalt (SmCo) magnets help improve device performance while supporting lightweight and energy-efficient designs.

In consumer electronics, permanent magnets are found in speakers, headphones, microphones, vibration motors, and precision sensors. NdFeB magnets provide strong magnetic fields that enable high-fidelity sound reproduction and miniaturized audio components. Ferrite magnets are commonly used in larger audio systems due to their cost-effectiveness and good acoustic performance.

• Main Applications: speakers, earbuds, microphones, vibration motors, magnetic sensors.
• Advantages: high sound quality, compact structure, stable magnetic performance, long service life.
• Materials: NdFeB for high performance, ferrite for affordability, SmCo for high-temperature stability.

As devices become smaller and more powerful, permanent magnets remain crucial for delivering improved audio quality and reliable electronic functions.