JPMedics Kawa vs Osaki Platinum Solis Duo 4D+
Osaki Platinum Solis Duo 4D+ leads on our weighted scoring by 0.7 points over JPMedics Kawa. JPMedics Kawa costs $3,999 less — about 33% — so the question is whether what Osaki Platinum Solis Duo 4D+ adds is worth that to you. They separate most on price (JPMedics Kawa), 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; JPMedics Kawa for fans of Japanese build quality in a more compact, lower-priced 3D chair.
| 2 products |  JPMedics JPMedics Kawa | |
|---|---|---|
| Price | $7,999.99 | $11,999 |
| Overall score | 8.0 | 8.7 |
| Track | Extra-long L-track (neck to glutes) | Flexible track system (SL-based, reclines to 190°) |
| Rollers | 3D humanistic mechanism | Dual 4D mechanisms (2 separate mech controllers) |
| Zero gravity | — | Yes (zero gravity reclining) |
| Heat | Lumbar heat therapy | Lumbar graphene heating (~75–83°F) |
| Auto programs | 10 auto programs, 7 back techniques | 18 auto programs + 5 manual styles |
| Max user height (in) | 6'3" (range 5'0"–6'3") | — |
| Warranty (yr) | 1-yr in-home service / 2-yr parts | 5 years (3 years full service + 2 years parts) |
| Reclined length | 30.7" W x 64.6" D upright (73.6" reclined); 1" wall saver | 30" W × 63" L × 48.4" H upright (81" L reclined); 10" wall clearance; 30" min doorway |
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JPMedics
JPMedics Kawa
Best for Fans of Japanese build quality in a more compact, lower-priced 3D chair
$8,000$11,000
Osaki
Osaki Platinum Solis Duo 4D+
Best for Buyers who want Osaki's most capable mechanism and stretch recline, regardless of price
$11,999