The simplest way is to physically swap the speakers (or their connections). If that’s not an option, this should help you further.
https://wiki.archlinux.org/title/PulseAudio/Examples#Swap_left/right_channels
The simplest way is to physically swap the speakers (or their connections). If that’s not an option, this should help you further.
https://wiki.archlinux.org/title/PulseAudio/Examples#Swap_left/right_channels