Era 300 smart speaker is "most sophisticated product Sonos has ever built"
Edifier MS50A WiFi Smart Speaker Work with Alexa, Bluetooth Sound System Bookshelf Speaker Supports AirPlay 2, Spotify, Tidal, 40W RMS Without Microphone: Portable Bluetooth Speakers: Amazon.com.au
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Bang and Olufsen meets LAYER design for a modular bookshelf speaker that embodies the tiny but mighty spirit! - Yanko Design
Edifier MS50A WiFi Smart Speaker Work with Alexa, Bluetooth Sound System Bookshelf Speaker Supports AirPlay 2, Spotify, Tidal, 40W RMS Without Microphone: Portable Bluetooth Speakers: Amazon.com.au
IKEA's Sonos-powered lamp and bookshelf are speakers in disguise | Engadget