SIHOO M56C vs Autonomous ErgoChair Pro

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

SIHOO

SIHOO M56C

$184.99

Autonomous

Autonomous ErgoChair Pro

$499

$314.01

lower starting price for SIHOO M56C than Autonomous ErgoChair Pro at the brand stores

Differences at a glance

SIHOO M56CAutonomous ErgoChair Pro

Price: $184.99$499
Seat depth: 17.1 in (≈ 43.4 cm)19–21.5 in (48.3–54.6 cm)
Load capacity: 300 lb (≈ 136 kg)300 lb (136.1 kg)
Recline: Maximum tilt angle of 125° (reclining lock with 1 position)Synchro-tilt; 22° recline range; 5 lock positions (Donati reclining mechanism)
Arms: Armrests adjustable up and down3D armrests; armrest height 11–14 in from seat
Headrest: Headrest moves up and down and tiltsAdjustable headrest (standard)
Lumbar support: Ultra-wide dynamic lumbar support: a flexible elastic plate that moves with the backrest (no manual adjustment listed)Sliding (height-adjustable) lumbar; 6 in lumbar height range
Warranty: 3 yearsLifetime warranty

Which is cheaper, the SIHOO M56C or the Autonomous ErgoChair Pro?

The SIHOO M56C is cheaper to start: $184.99 versus $499 for the Autonomous ErgoChair Pro at the brand stores (Oct 2026).

Which has a higher weight capacity?

Neither. Both are rated for 300 lb in their official specifications.

Which has a headrest?

Both: the SIHOO M56C as standard and the Autonomous ErgoChair Pro as standard.