Between the Link Music and Era 300, the Link Music comes out ahead in output, while the Era 300 wins on dolby atmos and matter / thread. Overall, the Link Music scores 39.4 and the Era 300 scores 35 on our Mars Score.
Which should you buy?
The Link Music edges ahead on the Mars Score (39.4 vs 35), but the 4.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Link Music if you care most about output. The biggest gaps in its favor are output.
Pick the Era 300 if you care most about dolby atmos and matter / thread. Its strongest claims are dolby atmos, matter / thread.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
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 JBL - Link Music wins
- ▲Output: 20 W vs 0 W.
Why Sonos - Era 300 wins
- ▲Has Dolby Atmos.
- ▲Has Matter / Thread.
Spec comparison
Audio
| Spec | JBL - Link Music | Sonos - Era 300 |
|---|---|---|
| Output | 20 Wlead | 0 W |
| Stereo pairing | true | true |
| Dolby Atmosⓘ | false | truelead |
Assistant & Smart Home
| Spec | JBL - Link Music | Sonos - Era 300 |
|---|---|---|
| Voice assistant | Google Assistant | Alexa,Sonos Voice |
| Matter / Thread | false | truelead |
| Zigbee hub | false | false |
Spec-level deep dives
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