equalizer coil

例句：

1. 1.The equalizer coil in the audio equipment helps to even out the sound.
   音频设备中的均衡器线圈有助于平衡声音。
2. 2.The engineer used the equalizer coil to enhance the bass response of the speakers.
   工程师使用均衡器线圈来增强扬声器的低音响应。
3. 3.The equalizer coil was designed to improve the clarity and resolution of the audio signal.
   均衡器线圈被设计用来提高音频信号的清晰度和分辨率。