Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Bose - Home Speaker 500 | JBL - Authentics 300 |
|---|---|---|
| Output | 0 W | 100 W |
Between the Home Speaker 500 and Authentics 300, the Home Speaker 500 comes out ahead in several specs, while the Authentics 300 wins on output. Overall, the Home Speaker 500 scores 35 and the Authentics 300 scores 47.2 on our Mars Score.
Which should you buy?
The Authentics 300 is the clear pick on raw spec strength, leading by 12.2 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 Home Speaker 500 does not pull ahead on any single popular-comparison spec — its strengths sit in the spec-table groups rather than the headline advantages.
Pick the Authentics 300 if you care most about output. Its strongest claims are output. The single most decisive one: Output: 100 W vs 0 W.
Both ship with comparable voice assistant, dolby atmos, matter / thread, so those specs do not separate the two — focus on the differences below.
Bottom line: the Authentics 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: Bose - Home Speaker 500 or JBL - Authentics 300?
JBL - Authentics 300 leads the current Mars Score by 12.2 points.The more useful decision is the trade-off behind that result: compare output against the way you will actually use the product.
Choose Bose - Home Speaker 500 if…
Bose - Home Speaker 500 does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose JBL - Authentics 300 if…
JBL - Authentics 300 has the measurable edge on output w.
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 Bose - Home Speaker 500 wins
- No decisive advantages.
Why JBL - Authentics 300 wins
- ▲Output: 100 W vs 0 W.
Spec comparison
Audio
| Spec | Bose - Home Speaker 500 | JBL - Authentics 300 |
|---|---|---|
| Output | 0 W | 100 Wlead |
| Stereo pairingⓘ | true | true |
| Dolby Atmosⓘ | false | false |
Assistant & Smart Home
| Spec | Bose - Home Speaker 500 | JBL - Authentics 300 |
|---|---|---|
| Voice assistant | Alexa,Google Assistant | Alexa,Google Assistant |
| Matter / Thread | false | false |
| Zigbee hub | false | false |