Sonos - Era 300 vs Sonos - Symfonisk Bookshelf (Gen 2)
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Sonos - Era 300 | Sonos - Symfonisk Bookshelf (Gen 2) |
|---|---|---|
| Dolby Atmos | true | false |
| Matter / Thread | true | false |
Between the Era 300 and Symfonisk Bookshelf (Gen 2), the Era 300 comes out ahead in dolby atmos / matter / thread, while the Symfonisk Bookshelf (Gen 2) wins on several specs. Overall, the Era 300 scores 65.4 and the Symfonisk Bookshelf (Gen 2) scores 35 on our Mars Score.
Which should you buy?
The Era 300 is the clear pick on raw spec strength, leading by 30.4 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Era 300 if you care most about dolby atmos / matter / thread. The biggest gaps in its favor are dolby atmos, matter / thread. The single most decisive one: Has Dolby Atmos.
The Symfonisk Bookshelf (Gen 2) similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable output, so those specs do not separate the two — focus on the differences below.
Bottom line: the Era 300 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Sonos - Era 300 or Sonos - Symfonisk Bookshelf (Gen 2)?
Sonos - Era 300 leads the current Mars Score by 30.4 points.The more useful decision is the trade-off behind that result: compare dolby atmos, matter / thread against the way you will actually use the product.
Choose Sonos - Era 300 if…
Sonos - Era 300 has the measurable edge on has dolby atmos, has matter thread.
Choose Sonos - Symfonisk Bookshelf (Gen 2) if…
Sonos - Symfonisk Bookshelf (Gen 2) does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Sonos - Era 300 wins
- ▲Has Dolby Atmos.
- ▲Has Matter / Thread.
Why Sonos - Symfonisk Bookshelf (Gen 2) wins
- No decisive advantages.
Spec comparison
Audio
| Spec | Sonos - Era 300 | Sonos - Symfonisk Bookshelf (Gen 2) |
|---|---|---|
| Output | 0 W | 0 W |
| Stereo pairingⓘ | true | true |
| Dolby Atmosⓘ | truelead | false |
Assistant & Smart Home
| Spec | Sonos - Era 300 | Sonos - Symfonisk Bookshelf (Gen 2) |
|---|---|---|
| Voice assistant | Alexa,Sonos Voice | Alexa |
| Matter / Thread | truelead | false |
| Zigbee hub | false | false |