1. Classification of earphones:
Headphones are classified according to their switching modes, mainly including moving coil mode, moving iron mode, electrostatic type and other magnetic type. Classification from the structural functional mode can be divided into semi-open and closed; from the wearing form, there are earplugs, ear-hooks, in-ears and head-mounted; from the number of wearers, there are single earphones and Multi-person headphones; from the sound source, can be divided into active headphones and passive headphones; active headphones are often referred to as card headphones.
According to the types of headphones, it can be divided into: earphones, headsets (headphones with microphones), and earplugs. Generally speaking, their sound quality is: earphones > headsets > earplugs.
According to the wearing method: head-mounted, earbuds, in-ear, ear-hook. For different hanging headphones, each has a different performance, which is mainly based on your own needs and preferences.
According to the function of headphones: monitor headphones, hifi headphones, game movie headphones, noise reduction headphones, portable headphones, sports headphones. In general, the sound quality of headphones at the same price ranking: HIFI headphones > monitor headphones > portable headphones > noise reduction headphones > game movie headphones > sports headphones.