Autonomous ErgoChair Pro vs SIHOO B300 Pro

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

Autonomous

Autonomous ErgoChair Pro

$499

SIHOO

SIHOO B300 Pro

$329.99 – $379.99

$169.01

lower starting price for SIHOO B300 Pro than Autonomous ErgoChair Pro at the brand stores

Differences at a glance

Autonomous ErgoChair ProSIHOO B300 Pro

Price: $499$329.99 – $379.99
Seat height: 18.5–22 in (47–55.9 cm)46.8–55.3 cm
Seat depth: 19–21.5 in (48.3–54.6 cm)16.5–18.5 in (≈ 42-47 cm)
Load capacity: 300 lb (136.1 kg)330 lb (≈ 150 kg)
Recline: Synchro-tilt; 22° recline range; 5 lock positions (Donati reclining mechanism)Three lockable recline angles: 105°, 120°, 135°
Arms: 3D armrests; armrest height 11–14 in from seat6D All-Around Armrests (rotate, adjust, flip up)
Headrest: Adjustable headrest (standard)3D Ultra-Wide Headrest
Lumbar support: Sliding (height-adjustable) lumbar; 6 in lumbar height range4D MicroFit Lumbar Support: 0.8" depth and 2" height adjustment
Warranty: Lifetime warranty3-Year Free Warranty

Which is cheaper, the Autonomous ErgoChair Pro or the SIHOO B300 Pro?

The SIHOO B300 Pro is cheaper to start: $329.99 versus $499 for the Autonomous ErgoChair Pro at the brand stores (Sep 2026).

Which has a higher weight capacity?

The SIHOO B300 Pro, rated for 330 lb versus 300 lb for the Autonomous ErgoChair Pro.

Which has a headrest?

Both: the Autonomous ErgoChair Pro as standard and the SIHOO B300 Pro as standard.