DAB:
You can control the One Boxes via a tablet or mobile phone using the Sonos app. You can find numerous DAB stations in the Sonos app.

CD:
I assume that you have a CD player. In order to connect it to the One Boxes, you also need the Sonos port.
Info: https://www.sonos.com/de-ch...

A myriad of radio stations can be selected via the Sonos app and played through the speakers. For CDs, an additional device is required (not available from Sonos). This must be connected to the Sonos via additional Sonos devices. There is a lot of information about this. Google: Connect Sonos with CD player.