Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | LG - Éclair QP5 | Yamaha - YAS-209 |
|---|---|---|
| Total power | 320 W | 200 W |
| Dolby Atmos | true | false |
| eARC | true | false |
Between the Éclair QP5 and YAS-209, the Éclair QP5 comes out ahead in total power / dolby atmos, while the YAS-209 wins on several specs. Overall, the Éclair QP5 scores 75.1 and the YAS-209 scores 40.2 on our Mars Score.
Which should you buy?
The Éclair QP5 is the clear pick on raw spec strength, leading by 34.9 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.
Pick the Éclair QP5 if you care most about total power / dolby atmos. The biggest gaps in its favor are total power, dolby atmos, earc. The single most decisive one: Total power — 60.00% more. 320 W vs 200 W.
The YAS-209 similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable subwoofer included, so those specs do not separate the two — focus on the differences below.
Bottom line: the Éclair QP5 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: LG - Éclair QP5 or Yamaha - YAS-209?
LG - Éclair QP5 leads the current Mars Score by 34.9 points.The more useful decision is the trade-off behind that result: compare total power, dolby atmos against the way you will actually use the product.
Choose LG - Éclair QP5 if…
LG - Éclair QP5 has the measurable edge on total w, has dolby atmos, has earc.
Choose Yamaha - YAS-209 if…
Yamaha - YAS-209 does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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 LG - Éclair QP5 wins
- ▲Total power — 60.00% more. 320 W vs 200 W.
- ▲Has Dolby Atmos.
- ▲Has eARC.
Why Yamaha - YAS-209 wins
- No decisive advantages.
Spec comparison
Audio
| Spec | LG - Éclair QP5 | Yamaha - YAS-209 |
|---|---|---|
| Channels | 3.1.2 | 2.1 |
| Total power | 320 Wlead | 200 W |
| Dolby Atmosⓘ | truelead | false |
| DTS:X | false | false |
Connectivity
| Spec | LG - Éclair QP5 | Yamaha - YAS-209 |
|---|---|---|
| HDMI inputs | 1 | 1 |
| eARCⓘ | truelead | false |
| Subwoofer included | true | true |