does your receiver have USB in?
RPi4 + RoPieee might be all you need
It does have a USB port I assumed it's just for playing files from. I can have a try though as I've got pi about doing nothing.
@root started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
does your receiver have USB in?
RPi4 + RoPieee might be all you need