Kahuna
Kahuna LM-6800
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Best Massage Chairs · head-to-head
Kahuna LM-6800 vs Synca Kagra (J6900)
A sourced, side-by-side comparison. Synca Kagra (J6900) is cheaper at $5,999.99. Every spec and price links to its source.
Synca
Synca Kagra (J6900)
$5,999.99
2 sellers$3,999.99–$5,999.99under listread
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec |  Kahuna LM-6800 |  Synca Kagra (J6900) |
|---|---|---|
| US price | — | $5,999.99 |
| Brand | Kahuna | Synca |
| Released | — | — |
| Roller type | 2d | 4d |
| Track type | l_track | s_track |
| Zero gravity | Yes | Yes |
| Program count | 12 | 13 |
| Heat | Yes | Yes |
| Full body scan | Yes | Yes |
| Max user height (in) | 74 | 74 |
| Release | — | — |
Sources — Kahuna LM-6800: kahunachairusa.com (verified 2026-06-19). Synca Kagra (J6900): massagechairs.com (verified 2026-11-05).
What's the difference between the Kahuna LM-6800 and Synca Kagra (J6900)?
Where the two actually differ on the specs we track (3 of 7). Matching specs are omitted.
- Roller type: Kahuna LM-6800 2d vs Synca Kagra (J6900) 4d
- Track type: Kahuna LM-6800 l_track vs Synca Kagra (J6900) s_track
- Program count: Kahuna LM-6800 12 vs Synca Kagra (J6900) 13