Media audio — file URL

Italic values are placeholders: replace them with your own machine names, or let the builder do it.

Raw entity

Reads the entity directly, before field formatters run.

Twig

{{ file_url(node.field_name.entity.field_media_audio_file.entity.uri.value) }}

Gotcha

Assumes core’s Audio media type, whose source field is field_media_audio_file.