Infinity Prelude vs Osaki Platinum Solis Duo 4D+
Osaki Platinum Solis Duo 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 | |
|---|---|---|
| Price | $4,999 | $11,999 |
| Overall score | 7.2 | 8.7 |
| Track | Near-flat reclining S-track | Flexible track system (SL-based, reclines to 190°) |
| Rollers | 4-node back mechanism (2D-style; no 3D/4D stated) | Dual 4D mechanisms (2 separate mech controllers) |
| Zero gravity | Yes | Yes (zero gravity reclining) |
| Heat | Lumbar heat | Lumbar graphene heating (~75–83°F) |
| Auto programs | 6 auto programs + full manual mode | 18 auto programs + 5 manual styles |
| Max user height (in) | 74" optimal max (range 59"–74") | — |
| Warranty (yr) | 5-yr frame / 3-yr parts / 1-yr in-home labor | 5 years (3 years full service + 2 years parts) |
| Reclined length | 32" W x 52" D upright (72" reclined) | 30" W × 63" L × 48.4" H upright (81" L reclined); 10" wall clearance; 30" min doorway |
Infinity
Infinity Prelude
Best for First-time buyers who prioritize stretch programs over roller sophistication
$4,999
Osaki
Osaki Platinum Solis Duo 4D+
Best for Buyers who want Osaki's most capable mechanism and stretch recline, regardless of price
$11,999
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