Infinity Dynasty 4D SL-Track Massage Chair – Certified Pre-Owned
Lower 48: Free shipping on every chair. White Glove delivery in select areas — pricing varies by brand and location.
Outside the Lower 48: Please contact us before purchase to confirm shipping options and costs.
Warranty: Full manufacturer warranty included. Details vary by model.
The Infinity Dynasty 4D is one of Infinity’s most capable SL-track chairs, delivering 4D roller technology with variable depth, speed, and rhythm across the full spine from neck to glutes. Available as a Certified Pre-Owned unit inspected and verified before shipping, with zero gravity recline, lumbar heat, and full-body air compression included.
Key Features
- 4D Rollers — variable depth, speed, and rhythm for a human-like massage quality
- SL-Track Rail — adaptive coverage from neck through glutes
- Zero Gravity Recline — reduces spinal pressure and improves roller contact
- Airbag Compression — full-body coverage across shoulders, arms, hips, calves, and feet
- Heat Therapy — lumbar warmth supports deeper muscle relaxation
- Authorized Warranty — Certified Pre-Owned, inspected and verified by Zebra Massage Chairs
Specifications
- Roller Type: 4D (variable depth, speed, rhythm)
- Track Type: SL-Track (adaptive)
- Zero Gravity: Yes
- Heat: Lumbar
- Air Compression: Full-body (shoulders, arms, hips, calves, feet)
- Condition: Certified Pre-Owned
Ideal For
- Buyers who want flagship 4D SL-track performance at a CPO price
- Users who need full coverage from neck all the way to the glutes
- Anyone comfortable with a pre-owned unit that’s been inspected and certified
- Upgraders stepping up from a 3D or basic zero gravity chair
- Home wellness enthusiasts who want Infinity’s best at a reduced cost
Financing & Shipping
Financing available at checkout — apply in seconds with no credit score impact. Free shipping to the lower 48 states. White Glove delivery available in select areas — pricing varies by brand and location. Questions? Call (202) 998-5566 — our specialists are here to help you choose the right chair.

