Good headphones or earphones good
3, but in the portability, noise, stage monitoring and so on, earplugs also have their own advantages.
2, because the sound unit size and sound quality is positively related to the headset in the sound field, low frequency, spatial sense, atmosphere and other aspects of almost perfect earplugs.
1, from the perspective of sound reduction, the sound quality from high to low followed by speakers, headphones, earplugs.
