Sonos Era 100 & 300 Dolby Atmos speakers: what we know
Sonos Era 100 Review: Now streaming in stereo
Sonos Era 100 Review: A superb upgrade with better connections
Sonos Era 100 Review: The Best Smart Speaker Gets Even Better - CNET
Sonos Era 100 Speaker (Each) Black E10G1US1BLK - Best Buy
Sonos Era 100 review: a terrific step up in performance and features
Sonos Era 100 vs. Sonos Era 300
Sonos Era 100, Era 300: all-in on spatial audio and Bluetooth
SONOS User Guide
How and where to position every Sonos speaker