SIHOO Doro C300 Pro vs KI Signia

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

SIHOO

SIHOO Doro C300 Pro

$789.99 – $839.99

KI Signia

$930 – $1,076

$140.01

lower starting price for SIHOO Doro C300 Pro than KI Signia at the brand stores

Differences at a glance

SIHOO Doro C300 ProKI Signia

Price: $789.99 – $839.99$930 – $1,076
Seat height: 46–56.7 cm17.5–22 in (44.5–55.9 cm)
Seat depth: 16.81–17.76 in (≈ 42.7-45.1 cm)17–20 in (43.2–50.8 cm)
Recline: Maximum recline angle of 135°Five-position back travel limiter provides up to 27 degrees of recline
Arms: 6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)Armless, fixed reverse cantilever conference arms, 1D adjustable arms, or 4D adjustable arms
Lumbar support: Lumbar support automatically conforms to your spine (BM Tracking System)Optional lumbar support with 2.5" of vertical adjustment
Warranty: 3 yearsLifetime

Which is cheaper, the SIHOO Doro C300 Pro or the KI Signia?

The SIHOO Doro C300 Pro is cheaper to start: $789.99 versus $930 for the KI Signia at the brand stores (Oct 2026).