Register the phone
Press HOME and open Settings; use All Apps if Settings is not in Favorites. Choose Device Connection, then +Add New Device. Enable Bluetooth on the phone and select XAV-AX4000 as prompted. Compare the six-digit passkey shown on both screens, then touch Pair on the receiver.
Sources 1
Reconnect later
Enable phone Bluetooth. In Settings → Device Connection select the registered device, or select XAV-AX4000 from the phone. With Bluetooth enabled, the receiver normally searches for the last-connected device at ignition-on. Verify music playback at low volume.
Sources 2
Sources / references 2
- Sony — Pairing and connecting a Bluetooth device ↗Reviewed Oct 8, 2026
- Sony — Connecting a paired device ↗Reviewed Oct 8, 2026
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