So I made a stereo pair of symfonisk work with my xbox. Read the comments if you are curious how (not very practical and specific to my setup) : r/sonos
Ikea Symfonisk wireless bookshelf speaker review. Sonos on a budget?
Sonos Ikea Symfonisk Picture Frame with Wi-Fi Speaker review
Ikea Symfonisk Bookshelf Wi-Fi Speaker review: Ikea speaker makes Sonos multiroom magic more affordable - CNET