This might provide more out of the box granular control.
Refer: https://askubuntu.com/questions/728861/unable-to-connect-bose-soundlink-ae2-headphones
sudo apt-get install bluemanIt's now available in applications as "Bluetooth Manager", you will need to Adapter, Preferences, "Always Visible" to keep it showing.
It keeps an audio profile for the various settings.
sudo apt-get purge --remove blueman