There have been some recent updates to the Bluetooth audio stack in Pipewire. This has brought in SBC-XQ support which operates at a much higher bitrate than SBC
The higher bitrate means more data transfer to the Bluetooth device so it will benefit higher-quality audio - don’t expect miracles with 64Kbps streams…
It’s trivial to enable and works on the vast majority of Bluetooth audio devices with no other updates or changes (e.g. new device firmware) needed.
For example, using
Configuration tab → Output device → Codec to SBC-XQ
And that’s it.