耳机返听系统
ěr​jī​fǎn​tīng​xì​tǒng

in-ear monitoring system

  1. 耳机 耳機 ěr​jī noun
    headphones
    headphones; earphones; earpiece
  2. 返 fǎn
    to turn back
    to double back or turn around; to reflect
  3. 听 聽 tīng verb
    to listen
    to listen; to use the ears to receive sound
  4. 系统 系統 xì​tǒng noun
    system
    A whole composed of parts that work together to perform a function or achieve a goal; a series or group of related things forming a complex whole.