- 收音机 shōuyīnjī radioradio; radio receiver
- 晶体收音机 jīngtǐshōuyīnjī crystal radioA simple radio receiver that uses a crystal detector to demodulate signals, requiring no external power source
- 电晶体收音机 diànjīngtǐshōuyīnjī transistor radioA radio that uses transistors instead of vacuum tubes to process signals.
- 矿石收音机 kuàngshíshōuyīnjī crystal radioA simple radio receiver that uses a piece of mineral as a detector; it requires no power source but has low sensitivity.
