KI Signia vs SIHOO Doro C300 Pro

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

KI Signia

$930 – $1,076

SIHOO

SIHOO Doro C300 Pro

$789.99 – $839.99

$140.01

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

Differences at a glance

KI SigniaSIHOO Doro C300 Pro

Price: $930 – $1,076$789.99 – $839.99
Seat height: 17.5–22 in (44.5–55.9 cm)46–56.7 cm
Seat depth: 17–20 in (43.2–50.8 cm)16.81–17.76 in (≈ 42.7-45.1 cm)
Recline: Five-position back travel limiter provides up to 27 degrees of reclineMaximum recline angle of 135°
Arms: Armless, fixed reverse cantilever conference arms, 1D adjustable arms, or 4D adjustable arms6D 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 support with 2.5" of vertical adjustmentLumbar support automatically conforms to your spine (BM Tracking System)
Warranty: Lifetime3 years

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

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