Titan TP-Epic 4D vs Osaki Platinum Solis Duo 4D+
Osaki Platinum Solis Duo 4D+ leads on our weighted scoring by 0.6 points over Titan TP-Epic 4D. Titan TP-Epic 4D costs $8,000 less — about 67% — so the question is whether what Osaki Platinum Solis Duo 4D+ adds is worth that to you. They separate most on price (Titan TP-Epic 4D), overall score (Osaki Platinum Solis Duo 4D+) and track — those are the rows worth reading closely. In short: Osaki Platinum Solis Duo 4D+ for buyers who want Osaki's most capable mechanism and stretch recline, regardless of price; Titan TP-Epic 4D for best-value 4D upgrade seekers.
| 2 products |  Titan Titan TP-Epic 4D | |
|---|---|---|
| Price | $3,999 | $11,999 |
| Overall score | 8.1 | 8.7 |
| Track | SL-track | Flexible track system (SL-based, reclines to 190°) |
| Rollers | 4D | Dual 4D mechanisms (2 separate mech controllers) |
| Zero gravity | Yes, 3-stage | Yes (zero gravity reclining) |
| Heat | Lumbar (dual infrared coils) | Lumbar graphene heating (~75–83°F) |
| Auto programs | 12 auto + 6 manual programs | 18 auto programs + 5 manual styles |
| Max user height (in) | — | — |
| Warranty (yr) | 1 yr parts & labor; yrs 2-3 parts only | 5 years (3 years full service + 2 years parts) |
| Reclined length | 29.5" W x 58.0" L upright (67.0" L reclined) | 30" W × 63" L × 48.4" H upright (81" L reclined); 10" wall clearance; 30" min doorway |
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Osaki
Osaki Platinum Solis Duo 4D+
Best for Buyers who want Osaki's most capable mechanism and stretch recline, regardless of price
$11,999