批量放大器如果即使在最大值也太安静，则可以帮助您。
使用批量放大器，您可以将音量增加到+ 500％。

请注意，如果视频播放器允许增加卷，则应执行此操作。使用此应用可能会扭曲音频，因此您应该将原始卷增加到100％。

Volume Amplifier helps you if the audio/video is too quiet even on the maximum.
With Volume Amplifier, you can increase the volume up to +500%.

Please note that if the video player allows increasing the volume, you should do it. Using this app can distort the audio, so you should increase the original volume to 100%.