Help Guide
Wireless Speaker
SRS-XB31
Sound becomes low while in use
The sound may become low in the following cases. This is not a malfunction.
When the built-in battery is running low and the CHARGE indicator and
(power) indicator flash slowly, while
the speaker is being powered by the built-in battery only.
When the built-in battery is running low as a result of using the speaker at a loud volume for a long time even if
the speaker is connected to an AC outlet via a USB AC adaptor (commercially available), or connected to a
booted computer.
If the sound becomes low while in use, follow the procedure below.
Hint
This speaker is designed to reduce the maximum volume to about half (24) when the remaining built-in battery power becomes
less than 10% in order to protect the circuit due to extreme voltage fluctuation by using at a loud volume. Even in this case, you
can charge the built-in battery, but the volume does not return to the normal. To return the volume to the normal, charge the built-
in battery until the remaining built-in battery power reaches 20% or more, turn off the speaker and turn it on again, and then
adjust the volume.
4-735-510-11(1) Copyright 2018 Sony Corporation
Turn off the speaker.1.
Charge the built-in battery sufficiently.2.
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