Why are headphones magnetic, and why are there magnets in headphones? What does it do?

Because there is a magnet inside the earbuds, the principle of the magnet is that the same pole repels each other, and the opposite pole attracts. Electromagnetic drive diaphragm sound, is one of the principles of earbuds or speaker sound.

When you put the two earbuds close, if the opposite side of the polarity is close, then you can feel the magnetism, and if the side of the same polarity is close, you can't feel it.

Because there's a magnet in it.

Speakers, also known as speakers, are functional: to convert electrical energy into sound energy, just the opposite of the principle of microphones The structure of the speaker has the following main elements: Shaped iron Magnet Washer (also known as conductive magnet) Bullet wave (also known as brake) Voice coil Carcass.

Also known as drum paper, also known as vibrating plate) brocade thread brocade thread arrow paper (also known as gasket.

Dust cover? Anti-magnetic cover (or reverse magnet)?Terminal board Horn (speaker) working principle:

According to the principle of Fleming's left hand: when the signal is amplified by the amplifier current to the voice coil of the speaker, the voice coil passes through the current to generate a magnetic field, and the fixed magnetic field of the magnet of the horn produces the same sex repulsion, the opposite sex attracts, and the voice coil tube of the voice coil is connected to the carcass, and the carcass vibrates the air to make a sound Magnet under the same material: the greater the mass of the magnet, the strength of the magnetic field.

The larger the horn, the higher the efficiency and resolution of the horn.

The higher it is, the higher the cost

If you don't have magnets, there's no sound.

The headphones have magnets in them to make sounds.

The use of the magnet is: use enameled wire to form a coil on the magnet, when the audio current passes through the coil and vibrate, due to the different magnitude of the current, the frequency of vibration is also different, and the amplitude of the ** is also different, and the other end of the coil is connected to the paper cone of the speaker or the vibration film of the earphone, so the sound, Bixiang is the sound of the frequency range of 20-20khz that the human ear can identify. i.e. singing.

Because of the use of electromagnets.

An alternating magnetic field is generated, which causes the iron sheet to vibrate and make sound.

The moving iron pronunciation unit is to use the electromagnet to produce an alternating magnetic field, and the vibrating part is an iron sheet suspended in front of the electromagnet, and the signal will change the magnetic field of the electromagnet when passing through the electromagnet, so that the iron sheet vibrates and sounds.

The advantages are long service life and high efficiency. The disadvantage is that the distortion is large and the frequency response.

Narrow. It is often used in the early ** machine earpiece.

This technology is mainly used in earbuds, because the single base cluster element of the moving iron is much smaller than the moving coil sound unit, many high-end earbuds integrate two or even three moving iron sound units, and the sound performance of each frequency band is very good.

The reason why there are magnets in headphones is that the sound generating unit of headphones can convert audio signals (electrical energy) into sound because the magnetic field formed by the magnet interacts with the coil passing through the audio signal, so that the diaphragm of the earphone moves back and forth to vibrate the air to make sound.

The coil inside the headset flows through the audio current, which creates a varying magnetic field. The changing magnetic field interacts with the fixed magnetic field, the same polar magnetic field repels each other, and the magnetic fields of different polarities attract each other, because the intensity of the audio current is constantly changing, so the force of the magnetic field interaction is also constantly changing, and the sound film of the earphone is constantly vibrating, thus emitting sound.

The magnetic field strength of the magnet of the earphones is relatively small, and the impact on the body is negligible, but it is recommended not to use the earphones often, because if you wear the earphones in a small space in the ear canal, a closed space will be formed, and the damage to the eardrum will be relatively large.

1. The reason why there is a magnet in the earphone is that the sound generating unit of the earphone can interact with the coil through the audio signal through the magnetic field formed by the magnet to convert the audio signal (electrical energy) into sound, so that the earphone diaphragm moves back and forth to vibrate the air to produce sound.

2. The coil inside the earphone generates a changing magnetic field through the audio current. The varying magnetic field interacts with the fixed magnetic field, the same polar magnetic field repels each other, and the different polar magnetic fields attract each other. As the intensity of the audio current is constantly changing, so is the force of the magnetic field interaction, and the sound membrane of the headphones is constantly vibrating, resulting in sound.

3. The magnetic field strength of the earphones is relatively small, and the impact on the human body is negligible. However, it is not advisable to use headphones too often, as if you carry headphones in a space with a narrow ear canal, it will create an enclosed space and cause more damage to the eardrum.

The reason why the sound generating unit of the earphone can convert the audio signal (electrical energy) into sound is that the magnetic field formed by the magnet interacts with the coil passing through the audio signal, so that the diaphragm of the earphone moves back and forth to vibrate the air to make a sound.

A moving, permanent magnet provides a fixed magnetic field with the coil and diaphragm connected together. When an audio signal is passed through a coil. At this time, the signal passes through the coil to cut the magnetic field lines, and the coil drives the diaphragm to vibrate, and the sound is generated by the vibration, so you will hear the sound from the headphones at this time!

Usually the speakers (including headphones and speakers) are all BAI

A diaphragm with a coil in the middle (the coil is made of fine enameled wire) and a permanent magnet (a permanent magnet is usually made of manganese-zinc ferrite or nickel-zinc ferrite).

Sound principle: the coil is energized, when the current changes, it will cause the change of the magnetic field of the coil (at this time, the coil can be regarded as a energized solenoid, and the magnitude and direction of the current will change the magnitude and direction of the magnetic field of the energized solenoid), because the magnetic field direction and size of the permanent magnet remain unchanged, the permanent magnet will attract or repel the coil, and the coil will drive the diaphragm to vibrate, and it can make sound. You think, no magnets?

The more stable the magnetism, the better the sound and pitch of the horn, and the horn magnet is the first choice.

Magnets are generally used in headphones.

The magnets in headphones usually serve two main roles:

1.Drivers: Magnets and coils in headphones generate electromagnetic induction that excites the diaphragm or driver unit through an electric current to produce sound. This is a key component of the headphones' ability to convert electrical signals into sound.

2.Secure the earphones: Some earbuds or earbuds can also use magnets to secure the earphones in the ear or in the ear canal, ensuring that the earphones remain firmly and comfortably in the ear.

It should be noted that the magnet in the headset is usually miniature and weak, and the roundness will not have a significant impact on human health. However, if you have an implanted medical device (such as a pacemaker) or other special circumstances, please consult your doctor or professional before using the headphones to ensure safety. <>

The headphones have magnets in them to make sounds.

The function of the magnet is: use enameled wire to form a coil on the magnet, when the audio current passes through the coil and vibrate, due to the different magnitude of the current, the frequency of vibration is also different, the amplitude of ** is also different, and the other end of the coil is connected to the paper cone of the speaker or the vibration film of the earphone, so the sound is the sound that the human ear can identify in the frequency range of 20-20kHz. i.e. singing.

The function of the magnet is: use enameled wire to form a coil on the magnet, when the audio current passes through the coil and vibrate, due to the different magnitude of the current, the frequency of vibration is also different, the amplitude of ** is also different, and the other end of the coil is connected to the paper cone of the speaker or the vibration film of the earphone, so the sound is the sound that the human ear can identify in the frequency range of 20-20kHz. i.e. singing.

We all know that energized wires move under the action of a magnetic field perpendicular to the direction of the current, the so-called Lorentz force. There is a moving coil in the earphones, and the magnet generates a magnetic field for the moving coil, and when the moving coil passes through alternating current (audio signal), the moving coil moves up and down to drive the sound membrane to vibrate and produce sound.

The audio current, intensity, and direction of the audio flowing through the headphones are constantly changing depending on the sound. These changing currents generate an ever-changing alternating magnetic field. These changing magnetic fields interact with the fixed magnetic field inside the earphones, and the resulting magnetic field is sometimes strong and sometimes weak, causing the sound mold of the earphones to vibrate and produce sound.

The headphones rely on magnets to form a fixed magnetic field.

Usually loudspeakers (including headphones and speakers) have a diaphragm with an intermediate coil (the coil is wound with fine enameled wire) and a permanent magnet (the permanent magnet is usually made of manganese-zinc ferrite or nickel-zinc ferrite).

Sound principle: the coil is energized, when the current changes, it will cause the change of the magnetic field of the coil (at this time, the coil can be regarded as a energized solenoid, and the magnitude and direction of the current will change the magnitude and direction of the magnetic field of the energized solenoid), because the magnetic field direction and size of the permanent magnet remain unchanged, the permanent magnet will attract or repel the coil, and the coil will drive the diaphragm to vibrate, and it can make sound. You think, no magnets?

(1) From a professional point of view, the main reason for the existence of electromagnets in earphones is that the principle of alternating magnetic field generated by electromagnets is used, so that the iron sheet vibrates and makes sound.

2) This technology is mainly used on earbuds, because the moving iron pronunciation unit is much smaller than the dynamic pronunciation unit, and two or even three moving iron pronunciation units are integrated in many high-end earbuds, and the sound performance of each frequency band is very good.

3) The advantage is long service life and high efficiency. The disadvantage is that the distortion is large and the frequency response is narrow.

Because there is a moving coil inside the earphones, the magnet generates a magnetic field for the moving coil.

The up and down movement of the moving coil drives the sound membrane to vibrate and produce sound. If you put the headphones close to the magnet, no, it doesn't matter.