Distorted sound/No sound/Low sound level/Humming or noise in the speaker output/No voice or low voice from callers

  • Make sure that the volume of the connected device is not extremely loud.

  • If the connected device has an equalizer function, set it to off.

  • 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.

  • 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.

  • Keep the speaker away from a microwave oven, Wi-Fi®, etc.

  • Bring the BLUETOOTH device closer to the speaker. If there is any obstacle between the speaker and the BLUETOOTH device, move it out of the way.

  • If the charge indicator starts flashing 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 a BLUETOOTH connection since noise may occur in broadcasts.

  • Locate the speaker farther away from a TV, radio or tuner, etc. since noise may occur in broadcasts.

  • If an additional BLUETOOTH device, such as a BLUETOOTH mouse or a BLUETOOTH keyboard, is connected to the BLUETOOTH device used for the Stereo Pair function, the Party Connect function, or the phone call function while the function is in use on the speaker, terminate the connection with the additional BLUETOOTH device.

  • 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” and install it again.

  • When receiving/making a phone call, check that output of the BLUETOOTH device is set for the speaker.

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