pip amplifier

例句：

1. 1. The pip amplifier is the device that connects your phone to your speaker.
   插孔放大器是连接你的手机和扬声器的设备。
2. 2. The pip amplifier is used to amplify the sound of music or other audio signals.
   插孔放大器用于放大音乐或其他音频信号的声音。
3. 3. The pip amplifier is an important component in many electronic devices.
   插孔放大器是许多电子设备中的重要组件。