Wireless Speaker
SRS-XB31
No sound/Sound from only one speaker/Low sound level/Distorted sound/Humming
or noise in the speaker output/No voice or low voice from callers
Check that both the speaker and the connected device are turned on.
Turn up the volume of the speaker and the connected device.
Check that the connected device is playing.
Make sure the audio cable is disconnected from the AUDIO IN jack during playback in BLUETOOTH mode.
Make sure the audio cable is firmly connected to the AUDIO IN jack during playback in AUDIO IN mode.
If you are connecting a computer to the speaker, make sure the audio output setting of the computer is set for a
BLUETOOTH device.
Check that the speaker has established BLUETOOTH connection with the BLUETOOTH device.
Pair the speaker and the BLUETOOTH device again.
If the device that is connected to the AUDIO IN jack is monaural, sound will only be output from the left speaker (L
ch).
If the connected device has an equalizer function, set it to off.
Keep the speaker away from a microwave oven, Wi-Fi, etc.
Bring the speaker and the BLUETOOTH device closer together. Remove any obstacles between the speaker and the
BLUETOOTH device.
If the CHARGE indicator and (power) indicator flash slowly, turn off the speaker and charge the built-in battery
sufficiently.
A device with a built-in radio or tuner cannot be connected to the speaker via BLUETOOTH since noise may occur in
broadcasts.
Locate the speaker farther away from a TV, radio or tuner, etc. since noise may occur in broadcasts.
When using the Speaker Add function or Wireless Party Chain function, if any other BLUETOOTH device(s) such as
a BLUETOOTH mouse or BLUETOOTH keyboard is connected to the BLUETOOTH device, terminate the
connection between them.
There are some BLUETOOTH devices that can have the wireless playback quality changed. If your device is
compatible with this function, select “Priority on stable connection (SBC)” over sound quality. For details, refer to the
operating instructions supplied with the device.
Select “Priority on stable connection (SBC)” for the wireless playback quality of the speaker.
Install the latest version of “Sony | Music Center” on the connected device. If you cannot use the latest version of
“Sony | Music Center” or you cannot connect the speaker and a BLUETOOTH device via BLUETOOTH connection,
uninstall “Sony | Music Center.”
When listening to music, select an A2DP BLUETOOTH connection by operating the BLUETOOTH device.
When receiving/making a phone call, select an HFP or HSP BLUETOOTH connection by operating the BLUETOOTH
device.
When receiving/making a phone call, check that output of the BLUETOOTH device is set for the speaker.
Related Topic
Pairing and connecting with BLUETOOTH devices
Listening to music of a device via BLUETOOTH connection
Selecting the BLUETOOTH audio streaming playback quality (Codec)
About the indicators
Receiving a call
4-735-510-11(1) Copyright 2018 Sony Corporation
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