No voice/low voice from callers, Help guide no voice/low voice from callers – Sony SRS-BTS50 User Manual

Page 101

No voice/Low voice from callers

Check that both this system and the connected device are turned on.

Check that output of the BLUETOOTH mobile phone is set for the
system.

Select an HFP or HSP BLUETOOTH connection by operating the
BLUETOOTH device.

Turn up the volume of the system and the connected device.

101