Sony SRS-XB32 Help Manual page 22

When an audio cable is connected to the speaker's AUDIO IN jack while the speaker and the BLUETOOTH device have been
connected via BLUETOOTH connection, sound from the BLUETOOTH device is not output from the speaker (the hands-free
function is available). To listen to music from the BLUETOOTH device, disconnect the audio cable from the speaker's AUDIO IN
jack.
Related Topic
Listening to music of a device via BLUETOOTH connection
Terminating the BLUETOOTH connection (After use)
5-001-234-11(1) Copyright 2019 Sony Corporation
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