Pretty much all DACs run at 48Khz by default due to operating systems picking it as a sane default.
Pipewire will quite happily pipe through audio without resampling if it is the only source on a system. You can see this by running pw-top and using speaker-test with various sample rates.
Pipewire will quite happily pipe through audio without resampling if it is the only source on a system. You can see this by running pw-top and using speaker-test with various sample rates.