equalizer switch

例句：

1. 1.The equalizer switch on the radio helps to adjust the sound levels.
   收音机上的均衡器开关有助于调整声音水平。
2. 2. The engineer used the equalizer switch to improve the quality of the recording.
   工程师使用均衡器开关来提高录音的质量。
3. 3. When playing a game, you can use the equalizer switch to fine-tune the audio settings.
   玩游戏时，你可以使用均衡器开关来微调音频设置。