Balanced Armature Drivers
Balanced armature drivers are primarily used in hearing aids, but they also see extensive use in modern in-ear monitors. Most balanced armature drivers are tuned to sound good in a specific frequency range, and this is why many in-ear monitors contain multiple drivers. A crossover splits the sound signal into multiple frequency bands, and sends different frequency bands to each driver.
In a balanced armature design, an electric current is passed through a coil that is wrapped around an armature. The coil is suspended between two magnets, and the changes in current causes attraction between the coil and magnets.
Variations in the magnetic field moves the armature thousands of times per second. The in-ear monitor’s diaphragm is connected to the armature, and this movement produces sound that we can hear. A balanced armature is “balanced” because “there is no net force on the armature” when it is centered magnetic field.
Unlike dynamic driver designs, balanced armature drivers to not displace air in order to generate sound. There are upsides and downsides to this. Balanced armature in-ear monitors typically provide better isolation because there is no need for a vent to move air. On the contrary, balanced armature drivers lack the superior bass frequency presentation of dynamic driver designs.
Drivers can be optimally tuned for specific frequency ranges.
Smaller than dynamic drivers.
Better treble performance than dynamic drivers.
Faster response and more detailed sound.
Bass response is not as good as dynamic drivers.
Single driver designs are not as good as dynamic drivers.
More expensive than dynamic driver design
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If you tend to plug your earbuds and listen music from other devices such as Laptop or TV, be careful turn the volume of these devices to minimum then adjust to appropriate levels before inserting earbuds into your ears because the power received by earbuds can produce the audio level significantly high, which not just effect your ears but the earbud transducers. Since while wearing earbuds, the sound source and ear drum are closest compared to any other type of headphones, so it’s more likely to impare your hearing If you continuously listen music for a long time and at the high volume levels above 85dB (most devices can produce the intensity up to 105 dB via earbuds) – the level considered causing ear damaging, I say long time day by day and year by year, your hearing will function a little improperly. Music is wonderful but music that is too loud is not always good for you. Choosing earbuds with better noise isolation or ANC feature won’t let you play loud music but it’ll help you to keep up with the sound detail.