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Kahuna DIOS 6800 vs Osaki OP-4D Master

Side-by-side spec breakdown — track type, roller tech, heat, zero gravity, airbags, warranty, and expert scores.

SpecValueValue
Track TypeSL-TrackSL-Track
Roller Tech6D Dual Core SL-Track4D
Zero Gravitynone1-stage
Heat Therapylumbar-calflumbar-foot
Airbags5246
Body ScanYesYes
Height Range5-4-to-6-3N/A
Weight Capacity280 lbs260 lbs
Techniquesshiatsu, kneading, tapping, beat, combination, stretchingkneading, tapping, shiatsu, rolling, stretching
Smart Featuresbluetooth, usb-charging, lcd-screenbluetooth, voice-control, alexa, mobile-app, usb-charging, led-lighting, touchscreen
Warranty2 Years5 Years

✓ indicates best value in that row

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Which should you buy?

Here's a quick breakdown of who each chair is best suited for, based on track type, price tier, and our editorial scores.

Luxury · 4.6/5

Kahuna DIOS 6800

SL-Track (neck to glutes)

Best for

  • 52-airbag Air Float compression system
  • 6D Dual-Core (3D+3D) rollers for simultaneous upper and lower body massage
  • Automatic body scan auto-detects height and pressure points

Watch out for

  • ·Large chair footprint
  • ·High MSRP — best value at sale price
Full Kahuna DIOS 6800 review →

Luxury · 4.7/5

Osaki OP-4D Master

SL-Track (neck to glutes)

Best for

  • 4D roller on laser-crafted steel SL-Track
  • 16 specialist auto programs including Pilates, Golfer, and Mobile Mode
  • Alexa voice control + companion iOS/Android app

Watch out for

  • ·Very large at 68" long upright, 254.6 lb
  • ·Only 1-stage zero gravity
Full Osaki OP-4D Master review →