SIHOO B300 Pro 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 B300 Pro

$329.99 – $379.99

Autonomous

Autonomous ErgoChair Pro

$499

$169.01

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

Differences at a glance

SIHOO B300 ProAutonomous ErgoChair Pro

Price: $329.99 – $379.99$499
Seat height: 46.8–55.3 cm18.5–22 in (47–55.9 cm)
Seat depth: 16.5–18.5 in (≈ 42-47 cm)19–21.5 in (48.3–54.6 cm)
Load capacity: 330 lb (≈ 150 kg)300 lb (136.1 kg)
Recline: Three lockable recline angles: 105°, 120°, 135°Synchro-tilt; 22° recline range; 5 lock positions (Donati reclining mechanism)
Arms: 6D All-Around Armrests (rotate, adjust, flip up)3D armrests; armrest height 11–14 in from seat
Headrest: 3D Ultra-Wide HeadrestAdjustable headrest (standard)
Lumbar support: 4D MicroFit Lumbar Support: 0.8" depth and 2" height adjustmentSliding (height-adjustable) lumbar; 6 in lumbar height range
Warranty: 3-Year Free WarrantyLifetime warranty

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

The SIHOO B300 Pro is cheaper to start: $329.99 versus $499 for the Autonomous ErgoChair Pro at the brand stores (Oct 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 SIHOO B300 Pro as standard and the Autonomous ErgoChair Pro as standard.