SIHOO M59AS 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 M59AS

$449.99

Autonomous

Autonomous ErgoChair Pro

$499

11.8 lb

lighter: SIHOO M59AS weighs less than Autonomous ErgoChair Pro (official specs)

Differences at a glance

SIHOO M59ASAutonomous ErgoChair Pro

Price: $449.99$499
Seat height: 46.5–56.5 cm18.5–22 in (47–55.9 cm)
Seat depth: 17.13 in (≈ 43.5 cm)19–21.5 in (48.3–54.6 cm)
Load capacity: 330 lb (≈ 150 kg)300 lb (136.1 kg)
Recline: Recline up to 126°Synchro-tilt; 22° recline range; 5 lock positions (Donati reclining mechanism)
Arms: 3D coordinated flip-up armrests (flip up and down, left and right, forward and backward)3D armrests; armrest height 11–14 in from seat
Headrest: Double-jointed headrest (height and angle)Adjustable headrest (standard)
Lumbar support: Dynamic lumbar support in a dual-section backrestSliding (height-adjustable) lumbar; 6 in lumbar height range
Warranty: 3 yearsLifetime warranty

Which is cheaper, the SIHOO M59AS or the Autonomous ErgoChair Pro?

The SIHOO M59AS is cheaper to start: $449.99 versus $499 for the Autonomous ErgoChair Pro at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO M59AS, rated for 330 lb versus 300 lb for the Autonomous ErgoChair Pro.

Which has a headrest?

Both: the SIHOO M59AS as standard and the Autonomous ErgoChair Pro as standard.