How to play audio from ffmpeg?

[Manieck71]

The file is "xxx.way" or "xxx.wav"?

Of course xxx.wav :-) My mistake.

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Use -f pulse, not -f alsa. You want to output through PulseAudio/Pipewire, not directly through ALSA, because the raw ALSA device is normally already opened and reserved by PulseAudio or Pipewire. (Note that Pipewire supports the PulseAudio protocol, so -f pulse will work for both.)

Unfortunately using pulse still doesn't work.
I installed Kali System and it plays sound on the speaker using alsa and pulse.
How do I switch to built-in headphones?