Closed sound insulation is better, but it is easy to have barrel sounds; open sound field is more natural and atmospheric, but the sound insulation is not good; semi-closed is the more moderate choice of the former two.
Focus on listening to music. Advantages: The sound is more characteristic, and the counterpart's music performance will be very charming, which can achieve the best results. Disadvantages: Generally, they are targeted designs. Yes, it is not suitable for human voice.
Focus on listening to the details in the sound. Advantages: The sound is generally clearer, the sound quality is better, and everything is good; Disadvantages: The human voice lacks emotion, and it seems that nothing can get the best effect.
Most headphones and earphones are this type of unit. The drive unit is usually a small speaker unit, which is very similar to the speaker unit. The advantage is that the sounding principle is close to the human eardrum, so the sound is naturally resistant to hearing, and the low frequency is loose and comfortable.
The moving iron unit is generally about the size of a rice grain. The advantage is that the unit is particularly small, and it is generally used to make in-ear earplugs. The power required for driving is very small. The sound insulation effect is generally very good.
The technology that has been emerging in recent years uses a combination of a moving coil unit and a moving iron unit in the earbuds. The advantage is that the advantages are complementary. The low frequency of the moving coil unit is naturally loose. The high frequency and high resolution of the moving iron unit complement each other.
In-ear headphones are better to very good sound insulation, which is prone to discomfort when worn, and can cause ear infections if they are not handled properly.
Generally, sports headphones are mainly mounted on the back, and they are relatively firm to wear, and the sound quality is usually average.
Refers to the headset that can control the access device on the headset line. Such as controlling the remote device's play and stop functions, volume adjustment, answer phone functions, etc.
Active noise reduction
The active noise reduction function is to generate a reverse sound wave equal to the external noise through the noise reduction system to neutralize the noise, thereby achieving the effect of noise reduction.
Passive noise reduction
Passive noise-cancelling headphones mainly form a closed space by surrounding the ear, or use sound-proof materials such as silicone earplugs to block external noise.
Amplifier is the abbreviation of headphone power amplifier, which is connected between the headphone and the sound source. It is mainly used to promote high-end high-impedance headphones.