I use Spotify (subscription version) and a Milwaukee M12 speaker for playing it in my garage etc. Works great. Could have DAB radio too but I don't like listening to repetitive adverts either.
Very small money £30 ish for latest Dot if you wait for the deals, I might even have an older one lurking you can have. You will be astonished at the quality even bareback. It can be connected to an external amplifier in exactly the same way if that is your wish. The cheaper "Pop" model would also do as a driver for your audio system.