Learn about headphones (part 1)

Common sizes and designs of headphones

Types of In-ear headphones

  • In-ear

This is the most compact headphone design of its kind and fits perfectly in your ears. Thanks to their design, an excellent noise reduction is obtained. In particular, ear tips made of rubber, silicone or memory foam fit perfectly inside your auditory tube and block most outside sounds and noises.

headphones in ear


  • Compact and light
  • Good noise isolation
  • Does not interfere with hairstyles, or when glasses, a mask, or earrings are used.
  • Most have built-in microphones


  • The cord gets tangled easily
  • he sound quality is acceptable.
  • Poor bass
  • Discomfort from long - lasting wear


Suitable for general users who do not have high demands on sound quality or convenience; or just use the headset to talk or listen to music for a few hours a day and often bring the headset to many places.

  • Earbuds

Earbuds design is an in-ear headset, with the driver attached to the ear. However, the ability to stick to the ear of the earbuds is quite poor, it is easy to fall off if slightly bumped.

headsets earbud


  • Affordable price 
  • Easy to clean
  • Easily aware of the surrounding situation


  • Partial noise cancellation
  • Low volume
  • Poor bass
  • Easy to slip and fall


Earbuds are suitable for those who do not want to block their ears when wearing for a long time, want to use headphones but still hear outside sounds, and especially for those who like compact but not in-ear headphones.

On-ear headphones

This is a type of headset with good sound quality, effective noise cancellation with closed-back models and high mobility. The headset is designed to fit on the ear for a full and vivid sound experience. However, if used for a long time, it will cause discomfort in the ear. So On-ear headphones will be suitable for use in a short time rather than wearing for many hours.

headsets on-ear


  • Over-Ear headphones generate less heat.
  • Comfortable size and weight
  • Some models can also be folded, easy to carry to many places


  • Sound can leak from the inside of the headset to the outside environment
  • The noise isolation is inadequate.
  • This may cause pain (too much pressure on the ear or compression of the ear)
  • Weaker bass than Over-Ear headphones


Suitable for people who need to enjoy music at an above-average level and need to bring headphones to many places; People who want to use headphones as a fashion accessory. In addition, it is also suitable for office workers with jobs that have little contact with customers.

Over-Ear Headphones

Over-Ear headphones are larger in size and cover the user's ears; In addition, the headset covers the user's ears to reduce the feeling of ear pain when worn for a long time, providing almost complete soundproofing quality so that you can enjoy the music in the clearest way and give the best sound. compared to headphones.

headset over ear


  • Big sound and great sound quality
  • Good insulation, giving users with a private place
  • There is no sound leakage from the speaker to the surrounding environment.
  • Most comfortable to wear


  • Large size, heavy
  • Poor mobility
  • If worn for a long period, it is simple to become heated and develop blocked ears.
  • Quite entangled if the user has long hair or wears glasses
  • High price


Suitable for professional users who often use video or audio editing software, or users who have very high requirements for music quality and often listen to lossless music.

Open-Ear Headphones

Open-Ear headphones will help free up the user's ears by fixing the headset at the end of the upper cheekbone. Besides, it transmits sound through bone vibration to the inner ear without the intervention of the outer or middle ear. In particular, it is quite safe for the ears because the user does not have to put anything inside the ear, which can often cause irritation or infection. However, like all headphones, it can cause headaches if used for a long time.

headset open ear


  • Raise awareness of the surrounding environment
  • More comfortable for users
  • A unique and novel listening experience


  • Affects cell tissues, leading to easy stress
  • Poor sound quality
  • Expensive price


Suitable for professional users who often use video or audio editing software, or users who have very high requirements for music quality and often listen to lossless music.

Popular types of earcups of headphones


Opened-Back are headphones that will let air through the ear cups. It doesn't have a cover for the drivers because the ear cups are designed to open in some form of grid or block form. Thus, providing air convection, significantly reducing heat build-up inside the ear cups and on the surface of the cushion. Besides, the air can be filtered from the outside, giving the user a louder, cooler and freer audio experience.

tai nghe chụp open-back
  • Crisp and sharp sound
  • High sound quality
  • Continually be mindful of your surroundings
  • Wear it without being overheated.
  • Less pressure on the ear when wearing
  • Poor noise isolation
  • Sound leak
  • Poor bass


Closed-Back are headphones that don't let air through the ear cups because the drivers are enclosed inside the case. This is one of the most popular and widely used headphones for many reasons. Firstly, the noise isolation is extremely good, above 50-60% of the volume the user will not hear anything going on. Second, great privacy without compromising your volume. However, the design is less breathable and there is more heat build-up on the headphones. Do not use for a long time or in places with high ambient temperature.

tai nghe close-back
  • Good noise isolation
  • No sound leakage
  • Deep bass
  • Normal sound
  • Airtight
  • Long-term usage produces ear heat.


Semi-Opened is designed so that a small amount of air can pass through the ear cups. This is a combination of 2 lines of Open-Back and Closed-Back headphones. Therefore, it will allow some sound to leak out, while allowing some noise to come in but not as much as Opened-Back headphones. The outer part can be in the form of a mesh or block, while the inner part is relatively airtight. Or the outer part is completely blocked so that there is no space for air to pass through, while using see-through ear cushions.

  • Accurate and transparent sound
  • More comfortable to wear
  • Good for music practice
  • Suitable for general use
  • Not suitable for use in a learning environment.
  • Not suitable for frequent travel


Noise-Isolating can create passive noise attenuation. These are called noise-isolating headphones. External sound is attenuated sufficiently by the foam around the ears or, in the case of headphones, by the ear tips.

  • Minimize ambient noise
  • Affordable price
  • No battery needed
  • Does not totally eliminate sounds
  • May be uncomfortable


Noise-Canceling provides active noise reduction thanks to a microphone located on the outside that picks up outside sounds, and the headphones produce the opposite sound at the same frequency to cancel out the noise. As a result, ambient sound is cancelled. This headset is extremely effective with low-frequency sounds like those you might experience every day or in traffic like airplanes or trains. A battery is required (usually one or two located in one of the ear cups) with Noise-Canceling headphones and this technology is mainly used on Over-Ear headphones.

noise cancelling 100%
  • Almost complete noise cancellation
  • No sound leakage
  • Enhance concentration
  • Expensive price
  • Danger due to lack of awareness of surroundings


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