How Do Wireless Headphones Work?


Bluetooth headphones are in high demand. No surprise, because in addition to being wireless, they offer many other benefits without sacrificing high audio quality.

How do they work?

Bluetooth headphones receive their audio signals through wireless data transmission. This not only means that cable breaks are a thing of the past, but also that cable clutter is a thing of the past. In order to take full advantage of a wireless connection between the headphones and the audio source (smartphone, notebook, hi-fi system), it is best for both sides to communicate using the same Bluetooth standard. The currently most common Bluetooth standard is Bluetooth 4.0 with aptX. The successor Bluetooth 5.0, however, is already in the starting blocks. Bluetooth is characterized above all by high stability and very low energy consumption. Thus the radio technology succeeded so correctly the break-through. In addition, Bluetooth headphones allow completely new freedom, since users are not tied to a cable and can, therefore, move freely. Although the range varies from device to device, most smartphones have a range of around 10 meters.

These Bluetooth headphones types are available

As with the classic wired headphones, there is also a large selection of Bluetooth headphones in different designs. Here is an overview of the types:

  • In-Ear Headphones: Technically speaking, there are two types of headphones: The models that are simply placed in the auricle are called earbuds. In-ear headphones in the true sense of the word are those products that are inserted directly into the ear canal and thus provide a better sound.
  • On-Ear Headphones: These models rest on the ears but do not enclose them. This also makes them relatively compact and the top models deliver an impressive sound.
  • Over-Ear headphones: The highest level of wearing comfort is provided by headphones whose padding completely encloses the ears. They can be worn for several hours without any problems and often convince with a particularly clear sound across all frequency ranges.

However, it is not possible to make a general statement that certain Bluetooth headphones sound better because of their design. In the meantime, there are also in-ear headphones with sophisticated technology and an impressive sound that doesn’t have to hide from the sound of over-ear headphones. In general, tastes are different and everyone has to decide for themselves which models are best suited.

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