SIHOO M56C vs Autonomous ErgoChair Ultra 2
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$264.01
lower starting price for SIHOO M56C than Autonomous ErgoChair Ultra 2 at the brand stores
Differences at a glance
Sources
SIHOO M56CAutonomous ErgoChair Ultra 2
- Price
- $184.99$449
- Seat depth
- 17.1 in (≈ 43.4 cm)18–20.5 in
- Load capacity
- 300 lb (≈ 136 kg)320 lb
- Recline
- Maximum tilt angle of 125° (reclining lock with 1 position)25°
- Headrest
- Headrest moves up and down and tiltsoptional
- Warranty
- 3 yearslifetime
Questions
Which is cheaper, the SIHOO M56C or the Autonomous ErgoChair Ultra 2?
The SIHOO M56C is cheaper to start: $184.99 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 300 lb for the SIHOO M56C.
Which has a headrest?
Both: the SIHOO M56C as standard and the Autonomous ErgoChair Ultra 2 as an option.
SIHOO M56C: specs, reviews, where to buy →Autonomous ErgoChair Ultra 2: specs, reviews, where to buy →
