AndaSeat Phantom 4 vs Autonomous ErgoChair Ultra 2
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
23 lb
lighter: Autonomous ErgoChair Ultra 2 weighs less than AndaSeat Phantom 4 (official specs)
Differences at a glance
Sources
- AndaSeat Phantom 4 specification sheet (official product page image) ↗Checked Oct 17, 2026
- Flex-Frame Ergonomic Office Chair | Autonomous ErgoChair Ultra 2 ↗Checked Oct 17, 2026
- AndaSeat Phantom 4 Series product page ↗Checked Oct 17, 2026
AndaSeat Phantom 4Autonomous ErgoChair Ultra 2
- Price
- $319$449
- Seat height
- 17.3–21.2 in18–23 in
- Seat depth
- 22 in18–20.5 in
- Load capacity
- 220 lb320 lb
- Recline
- 90–135°25°
- Headrest
- elastic-strap memory foam head pillowoptional
- Warranty
- 5 yearlifetime
Questions
Which is cheaper, the AndaSeat Phantom 4 or the Autonomous ErgoChair Ultra 2?
The AndaSeat Phantom 4 is cheaper to start: $319 versus $449 for the Autonomous ErgoChair Ultra 2 at the brand stores (Oct 2026).
Which has a higher weight capacity?
The Autonomous ErgoChair Ultra 2, rated for 320 lb versus 220 lb for the AndaSeat Phantom 4.
Which has a headrest?
Both: the AndaSeat Phantom 4 as standard and the Autonomous ErgoChair Ultra 2 as an option.
AndaSeat Phantom 4: specs, reviews, where to buy →Autonomous ErgoChair Ultra 2: specs, reviews, where to buy →
