equalizer (connection)

例句：

1. 1. The engineer used an equalizer to adjust the sound levels in the recording studio.
   工程师使用均衡器调整录音棚的声音水平。
2. 2. The equalizer was designed to eliminate distortion caused by the microphone.
   均衡器被设计成消除麦克风引起的失真。
3. 3. The equalizer was crucial for maintaining a consistent sound quality across all speakers.
   均衡器对于保持所有扬声器声音质量一致至关重要。