Haworth Soji vs SIHOO Doro C300 Pro

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

Haworth

Haworth Soji

$545

SIHOO

SIHOO Doro C300 Pro

$789.99 – $839.99

9 years

longer warranty on Haworth Soji than SIHOO Doro C300 Pro (official terms)

Differences at a glance

Haworth SojiSIHOO Doro C300 Pro

Price: $545$789.99 – $839.99
Seat height: 16.4–21 in (41.7–53.3 cm)46–56.7 cm
Seat depth: 16.25–18.75 in (41.3–47.6 cm)16.81–17.76 in (≈ 42.7-45.1 cm)
Load capacity: 350 lb (158.8 kg)330 lb (≈ 150 kg)
Recline: Tilt tension control; back lock; optional forward tilt by 5°Maximum recline angle of 135°
Arms: Fixed arms, height-adjustable arms, 4D arms, and armless options available6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)
Lumbar support: Optional lumbar adjustment for personalized support within a 3.5" rangeLumbar support automatically conforms to your spine (BM Tracking System)
Warranty: 12 year warranty3 years

Which is cheaper, the Haworth Soji or the SIHOO Doro C300 Pro?

The Haworth Soji is cheaper to start: $545 versus $789.99 for the SIHOO Doro C300 Pro at the brand stores (Oct 2026).