Between the Authentics 300 and HT-A9, the Authentics 300 comes out ahead in several specs, while the HT-A9 wins on output and dolby atmos. Overall, the Authentics 300 scores 55.1 and the HT-A9 scores 95 on our Mars Score.
Which should you buy?
The HT-A9 is the clear pick on raw spec strength, leading by 39.9 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 HT-A9 if you care most about output and dolby atmos. Its strongest claims are output, dolby atmos.
Both ship with comparable matter / thread, so those specs don't separate the two — focus on the differences below.
Bottom line: the HT-A9 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 Sony - HT-A9 wins
- ▲Output — 404.00% more. 504 W vs 100 W.
- ▲Has Dolby Atmos.
Spec comparison
Audio
| Spec | JBL - Authentics 300 | Sony - HT-A9 |
|---|---|---|
| Output | 100 W | 504 Wlead |
| Stereo pairing | true | true |
| Dolby Atmosⓘ | false | truelead |
Assistant & Smart Home
| Spec | JBL - Authentics 300 | Sony - HT-A9 |
|---|---|---|
| Voice assistant | Alexa,Google Assistant | Google Assistant |
| Matter / Thread | false | false |
| Zigbee hub | false | false |
Frequently asked
Spec-level deep dives
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