'Ubuntu 21.10 - a2dp unavailable

$ pacmd set-card-profile 2 a2dp_sink
Failed to set card profile to 'a2dp_sink'

Ubuntu 21.10, pulseaudio, Bluetooth headphones

Only HFP is available and A2DP cannot be turned on.

ubuntu bluez pulseaudio

Solution 1:^[1]

Please follow the instructions below:

sudo apt-get remove bluez
sudo apt-get install pulseaudio-module-bluetooth

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Solution	Source
Solution 1	Micha? Wanat