Both the lamp and the bookshelf speaker can operate independently, as a stereo pair, or as surround speakers with a Sonos soundbar in your home theater.
Symfonisk Review - The IKEA + SONOS Speaker?!
Ikea Symfonisk review: affordable, fun Sonos speakers - The Verge
Sonos Symfonisk Review - Ikea Lamp Speakers
Ikea Symfonisk Bookshelf Wi-Fi Speaker review: Ikea speaker makes Sonos multiroom magic more affordable - CNET
Ikea Symfonisk Bookshelf Wi-Fi Speaker review: Ikea speaker makes Sonos multiroom magic more affordable - CNET
IKEA Symfonisk speakers review: Sonos made sure they sound great, but that Scandi-chic lamp design is polarizing
Ikea Symfonisk Bookshelf Wi-Fi Speaker review: Ikea speaker makes Sonos multiroom magic more affordable - CNET
Ikea Symfonisk review: a good Sonos wifi speaker hiding in a lamp, Digital music and audio
Ikea Sonos Speaker Review - Symfonisk Sound System
Symfonisk Review - The IKEA + SONOS Speaker?!
Ikea Symfonisk review: affordable, fun Sonos speakers - The Verge
Ikea Symfonisk review: a good Sonos wifi speaker hiding in a lamp, Digital music and audio