Between the Authentics 300 and Authentics 500, the Authentics 300 comes out ahead in several specs, while the Authentics 500 wins on output and dolby atmos. Overall, the Authentics 300 scores 55.1 and the Authentics 500 scores 83 on our Mars Score.
Which should you buy?
The Authentics 500 is the clear pick on raw spec strength, leading by 27.9 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.
The Authentics 300 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 Authentics 500 if you care most about output and dolby atmos. Its strongest claims are output, dolby atmos.
Both ship with comparable voice assistant, matter / thread, so those specs don't separate the two — focus on the differences below.
Bottom line: the Authentics 500 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why JBL - Authentics 300 wins
- No decisive advantages.
Why JBL - Authentics 500 wins
- ▲Output — 170.00% more. 270 W vs 100 W.
- ▲Has Dolby Atmos.
Spec comparison
Audio
| Spec | JBL - Authentics 300 | JBL - Authentics 500 |
|---|---|---|
| Output | 100 W | 270 Wlead |
| Stereo pairing | true | true |
| Dolby Atmosⓘ | false | truelead |
Assistant & Smart Home
| Spec | JBL - Authentics 300 | JBL - Authentics 500 |
|---|---|---|
| Voice assistant | Alexa,Google Assistant | Alexa,Google Assistant |
| Matter / Thread | false | false |
| Zigbee hub | false | false |
Spec-level deep dives
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