Infinity Prelude vs Synca Kagra 4D
Synca Kagra 4D scores highest overall, while Infinity Prelude is the most affordable. These products suit different buyers, so weigh the criteria that matter most for your setup rather than the headline score alone.
| 2 products |  Infinity Infinity Prelude |  Synca Wellness Synca Kagra 4D |
|---|---|---|
| Price | $4,999 | $9,999 |
| Overall score | 7.2 | 8.7 |
| Track | Near-flat reclining S-track | Hybrid track |
| Rollers | 4-node back mechanism (2D-style; no 3D/4D stated) | 4D |
| Zero gravity | Yes | Yes |
| Heat | Lumbar heat | Yes |
| Auto programs | 6 auto programs + full manual mode | Multiple auto programs |
| Max user height (in) | 74" optimal max (range 59"–74") | ~6'4" |
| Warranty (yr) | 5-yr frame / 3-yr parts / 1-yr in-home labor | Up to 4 years |
| Reclined length | 32" W x 52" D upright (72" reclined) | Furniture-grade footprint |
Infinity
Infinity Prelude
Best for First-time buyers who prioritize stretch programs over roller sophistication
$4,999
Synca Wellness
Synca Kagra 4D
Best for Buyers who want flagship massage and furniture looks
$9,999$10,999
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