Osaki OS-3D Hamilton LE vs Synca Kagra 4D
Synca Kagra 4D leads on our weighted scoring by 0.5 points over Osaki OS-3D Hamilton LE. Osaki OS-3D Hamilton LE costs $7,800 less — about 78% — so the question is whether what Synca Kagra 4D adds is worth that to you. They separate most on price (Osaki OS-3D Hamilton LE), overall score (Synca Kagra 4D) and track — those are the rows worth reading closely. In short: Synca Kagra 4D for buyers who want flagship massage and furniture looks; Osaki OS-3D Hamilton LE for first-time buyers who want maximum adjustability per dollar.
| 2 products |  Synca Wellness Synca Kagra 4D | |
|---|---|---|
| Price | $2,199 | $9,999 |
| Overall score | 8.2 | 8.7 |
| Track | SL-track with intelligent body scanning | Hybrid track |
| Rollers | 3D mechanism (5 speeds / 5 intensities / 5 widths) | 4D |
| Zero gravity | Yes, 3-step zero gravity reclining | Yes |
| Heat | Lumbar heating (~75–83°F) | Yes |
| Auto programs | 21 auto programs + 6 manual techniques | Multiple auto programs |
| Max user height (in) | — | ~6'4" |
| Warranty (yr) | 1 year parts/labor + years 2–3 parts only (extensions available) | Up to 4 years |
| Reclined length | 32" W × 66" L × 49" H upright (73" L reclined); 2" wall clearance; 32" doorway assembled, 30" disassembled | Furniture-grade footprint |
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Osaki
Osaki OS-3D Hamilton LE
Best for First-time buyers who want maximum adjustability per dollar
$2,199$5,499
Synca Wellness
Synca Kagra 4D
Best for Buyers who want flagship massage and furniture looks
$9,999$10,999