Between the Era 100 and Era 300, the Era 100 comes out ahead in several specs, while the Era 300 wins on dolby atmos. Overall, the Era 100 scores 35 and the Era 300 scores 35 on our Mars Score.
Which should you buy?
These two are evenly matched on the broad strokes, with the decision sitting on which individual spec advantages weigh more for your use.
The Era 100 doesn't pull ahead on any single popular-comparison spec — its strengths sit in the spec table groups rather than the headline advantages.
Pick the Era 300 if you care most about dolby atmos. Its strongest claims are dolby atmos.
Both ship with comparable output, voice assistant, matter / thread, so those specs don't separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Sonos - Era 100 wins
- No decisive advantages.
Why Sonos - Era 300 wins
- ▲Has Dolby Atmos.
Spec comparison
Audio
| Spec | Sonos - Era 100 | Sonos - Era 300 |
|---|---|---|
| Output | 0 W | 0 W |
| Stereo pairing | true | true |
| Dolby Atmosⓘ | false | truelead |
Assistant & Smart Home
| Spec | Sonos - Era 100 | Sonos - Era 300 |
|---|---|---|
| Voice assistant | Alexa,Sonos Voice | Alexa,Sonos Voice |
| Matter / Thread | true | true |
| Zigbee hub | false | false |
Spec-level deep dives
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