Almost every headphone is incorporated with the magnet in their drivers during manufacturing. Headphone drivers act as the transducer elements that efficiently convert electrical energy/audio signals to mechanical wave energy/sound waves. So this is how magnetic headphones create sound, but here is a hassle: Are all headphones magnetized, or are there some without magnets?
Yes, there are a few headphones that are manufactured without magnets. Although the headphones are equipped with magnets, their magnetic field is unlikely to affect our physiology significantly; however, earbuds and headphones threaten our health.
Below are some names of headphones that come without a magnet, their benefits, and much more, so let’s explore!
Headphones are one of the greatest innovations which allow users to listen to music, podcasts, movies, TV shows, and much more privately. The presence of a magnet in headphones is not great for everyone, especially for people having medical devices attached to the body, such as pacemakers and defibrillators.
Hence, it is suggested to keep the devices such as headphones, AirPods, and others with magnets at a safe distance from those with a pacemaker or any other devices attached to the brain or heart.
As already discussed, a few headphones are built using unique technology instead of magnets so the users can use them in critical conditions. First is an electrostatic headphone that uses electrostatic principles instead of electromagnetic induction and is manufactured without magnets. Iheadbones inc introduces another headphone without magnets.
Magnetic-free listeners also have some headphone options to listen to the music, such as;
- iheadbones 201 and 600 Series
- MRI Headphones are also nonmagnetic
iHeadbones inc came into being in 2010 and is famous for introducing magnet-free headphones. They manufacture stereo bone headphones with the name ihb201, which uses bone conduction technology on devices with no magnets. The sound passes via the cheekbone and keeps the ears uncovered. The headphones used innovative Acoustic Devices to pass the sound without magnets’ help.
One of the greatest benefits of having headphones without a magnet is that they do not interfere with any medical devices. These advanced headphones are foldable, portable, have amplifier speakers without magnets, do not leak sounds, and produce top-quality sound. With one time charge, they can run continuously for 12 plus hours. They are also compatible with devices having 3.5 mm ports, such as phones, laptops, and gaming consoles.
They do not cover the ears properly, so they keep the users aware of outside sounds. The creative ihb201 Headset is supplied with all acoustic devices, a rechargeable amplifier, various sizes of audio cables, a carrying case, and wire clips. Hardly they need one hour to charge fully, and the company also offers one year warranty and 30 days return.
MRI Headphones help the patients listen to the MRI Music inside the MRI Scanner.
The inner ear tips of the headphone get adjusted into the ear and deliver the direct sound, but the outer shell, foam ear Tips, and inner foam deliver around 49db of noise reduction. The headset also features a 5-foot length of tubing.
MRI headphones minimize the gradient sound from the scanner and support the patient listening to their favorite music (or anything they want) while getting scanned. You can also charge the foam ear tips for different patients to ensure hygiene.
Moving coil dynamic headphones, planer magnets, and balanced armature headphones have magnets, but not all headphones need magnets to generate sound; luckily, some headphones do not require magnets to function, such as Electrostatic headphones.
They work using electrostatic principles instead of electromagnetic induction. The Electrostatic headphones have a positively fixed charged diaphragm between the metal stators that separate via spars. Biasing voltage needed for the diaphragm ultimately makes the headphones active, which means they need the power to work fully.
Audio signals are applied on the metal stators or plates, and these plates further play a capacitor role. When the signal is positive, a positive charge is applied to the front plate, but a negative charge is applied to the rear plate, moving the positive diaphragm to the back.
On the other side, when the signal is negative, the front plate gets the negative charge and pulls the diaphragm. Contrary to this, the rear plate turns positive and pushes the diaphragm.
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Headphones are made of different materials and need a magnetic field to function properly. The headphone driver is the main transducer element that changes the audio signals to sound waves. In simple words, the headphones need magnets to convert energy.
Top-notch headphones used Neodymium magnets invented in the 1980s and were the standard top-quality audio transducers. They are made of an Alloy named NIB, a combination of iron, boron, and neodymium.
They are great at producing strong magnetic fields and are lighter than other magnets, so headphone makers love adding them to their products. They are coated with resilient plastic or nickel to take their performance to sky heights, increasing their lifespan and making them resistant to corrosion.
Magnets are responsible for the good or bad quality of sound in headphones. Remember that thick magnets produce more bass, but the other magnets or magnetic devices placed near the headphones may cause distortion in the sound.
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Magnets in the headphones help to generate music at sound pressure level (SPL Level) with the help of high magnetic flux. Moreover, they also help you get excellent earbuds with fantastic sound quality.
Magnets don’t mess with anything, but when it comes to patients with medical devices attached to their bodies, they need to avoid magnetic headphones.
Hence, numerous magnetic-free headphones use different technology (sometimes ceramic piezoelectric elements) to produce music – iheadbones 201 and 600 Series wired are magnets free that users can confidently buy to enjoy the music.