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Consumer Electronics

Magnetic Resonance in Sound Dynamics

Permanent magnets, especially high-performance Neodymium-Iron-Boron magnets, play a critical role in headphones. They work in close synergy with the electromagnetic coil (voice coil), forming a precise sound-producing mechanism. When an audio signal passes through the coil as an electric current, the coil is subjected to force within the powerful magnetic field created by the permanent magnet, driving the diaphragm attached to it to vibrate. This vibration process efficiently converts the electrical signal into sound waves, completing the conversion from digital audio to physical sound, and thus 'magnetically initiating' the propagation of sound.
Application Area
Sound Quality Optimization: High-magnetic permanent magnets, such as Neodymium-Iron-Boron magnets, generate a more stable and powerful magnetic field, allowing the headphone driver to achieve higher sensitivity and lower distortion during sound reproduction. This means that the sound is rendered more accurately and authentically, with outstanding performance across both delicate highs and deep lows.
Efficiency Enhancement: The high magnetic energy product of permanent magnets enables headphones to use smaller drivers without compromising sound quality. This not only reduces the size and weight of the headphones, improving portability and comfort, but also lowers power consumption, extending battery life.
Design Innovation: The application of permanent magnets has also driven innovation in headphone design. For instance, magnetic charging designs and magnetic ear cups rely on the magnetic properties of permanent magnets to function. These innovations not only enhance the user experience but also add more functionality and a stylish edge to the headphones.
High (BH) max
High (BH) max

Able to generate a powerful magnetic field, enhancing the dynamic range and detail of sound.

High Hcj
High Hcj

Strong resistance to external magnetic field interference, maintaining stable magnetic performance.

Excellent Temperature Stability
Excellent Temperature Stability

In high-temperature environments, it can still maintain good magnetic properties, ensuring stable performance of the headphones during prolonged use or exposure to high temperatures.

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