Can I use a subwoofer with Beoconnect Core?

Yes, it is possible to connect a Power Link compatible subwoofer while having stereo speakers connected via Digital Power Link.

Digital Power Link (DPL) is the technology that enables Beolink Surround and Beolink Stereo. 

DPL is a network-based audio streaming protocol developed by Bang & Olufsen. When using DPL, Beoconnect Core will be able to connect to Mozart Platform™ speakers for an immersive, high-quality stereo experience.

Which platform is my Connected Audio product based on?

Initial settings are required when adding a subwoofer: 

Ensure that all speakers are connected. How do I set up speaker connections on Beoconnect Core?
Ensure that all speakers have a corresponding role. How do I set up speaker roles on Beoconnect Core?
Ensure that "Bass Management" is enabled and "Processing" is set to "True Image" in all Sound modes. This can be changed in the "Advanced" tab for each Sound mode. What are Sound Modes for Beoconnect Core?