Article ID : 00151246 / Last Modified : 11/04/2018

When using the AUDIO IN port, sometimes there is no sound.

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When you turn off the portable speaker and turn it on again, if the input level is low, it may produce no sound. In such a case, turn up the playback device’s volume slowly.

A threshold value is set to prevent the portable speaker from producing a loud sound abruptly.
When turned on for the first time, or after turned off, the portable speaker does not work unless a certain level of audio is input.