second reply (a2dp mentioned) worked for me: https://unix.stackexchange.com/questions/437468/bluetooth-headset-volume-too-low-only-in-arch https://unix.stackexc

second reply (a2dp mentioned) worked for me: https://unix.stackexchange.com/questions/437468/bluetooth-headset-volume-too-low-only-in-arch https://unix.stackexchange.com/questions/437468/bluetooth-he... sudo nano /lib/systemd/system/bluetooth.service Change ExecStart=/usr/lib/bluetooth/bluetoothd to ExecStart=/usr/lib/bluetooth/bluetoothd --plugin=a2dp