Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | JBL - Authentics 300 | Google - Nest Audio |
|---|---|---|
| Output | 100 W | 75 W |
| Matter / Thread | false | true |
Between the Authentics 300 and Nest Audio, the Authentics 300 comes out ahead in output, while the Nest Audio wins on matter / thread. Overall, the Authentics 300 scores 47.2 and the Nest Audio scores 71.8 on our Mars Score.
Which should you buy?
The Nest Audio is the clear pick on raw spec strength, leading by 24.6 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 Authentics 300 if you care most about output. The biggest gaps in its favor are output. The single most decisive one: Output — 33.33% more. 100 W vs 75 W.
Pick the Nest Audio if you care most about matter / thread. Its strongest claims are matter / thread. The single most decisive one: Has Matter / Thread.
Both ship with comparable dolby atmos, so those specs do not separate the two — focus on the differences below.
Bottom line: the Nest Audio 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: JBL - Authentics 300 or Google - Nest Audio?
Google - Nest Audio leads the current Mars Score by 24.6 points.The more useful decision is the trade-off behind that result: compare output, matter / thread against the way you will actually use the product.
Choose JBL - Authentics 300 if…
JBL - Authentics 300 has the measurable edge on output w.
Choose Google - Nest Audio if…
Google - Nest Audio has the measurable edge on has matter thread.
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 JBL - Authentics 300 wins
- ▲Output — 33.33% more. 100 W vs 75 W.
Why Google - Nest Audio wins
- ▲Has Matter / Thread.
Spec comparison
Audio
| Spec | JBL - Authentics 300 | Google - Nest Audio |
|---|---|---|
| Output | 100 Wlead | 75 W |
| Stereo pairingⓘ | true | true |
| Dolby Atmosⓘ | false | false |
Assistant & Smart Home
| Spec | JBL - Authentics 300 | Google - Nest Audio |
|---|---|---|
| Voice assistant | Alexa,Google Assistant | Google Assistant |
| Matter / Thread | false | truelead |
| Zigbee hub | false | false |